1991846912

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:318

約数の個数: 176

約数和(自身を含む): 4704497280

約数和(自身を除く): 2712650368

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 41, 44, 64, 76, 82, 88, 128, 152, 164, 176, 209, 227, 256, 304, 328, 352, 418, 451, 454, 512, 608, 656, 704, 779, 836, 902, 908, 1024, 1216, 1312, 1408, 1558, 1672, 1804, 1816, 2432, 2497, 2624, 2816, 3116, 3344, 3608, 3632, 4313, 4864, 4994, 5248, 5632, 6232, 6688, 7216, 7264, 8569, 8626, 9307, 9728, 9988, 10496, 11264, 12464, 13376, 14432, 14528, 17138, 17252, 18614, 19456, 19976, 20992, 24928, 26752, 28864, 29056, 34276, 34504, 37228, 39952, 41984, 47443, 49856, 53504, 57728, 58112, 68552, 69008, 74456, 79904, 94886, 99712, 102377, 107008, 115456, 116224, 137104, 138016, 148912, 159808, 176833, 189772, 199424, 204754, 214016, 230912, 232448, 274208, 276032, 297824, 319616, 353666, 379544, 398848, 409508, 461824, 548416, 552064, 595648, 639232, 707332, 759088, 797696, 819016, 1096832, 1104128, 1191296, 1278464, 1414664, 1518176, 1638032, 1945163, 2193664, 2208256, 2382592, 2556928, 2829328, 3036352, 3276064, 3890326, 4387328, 4416512, 4765184, 5658656, 6072704, 6552128, 7780652, 8774656, 9530368, 11317312, 12145408, 13104256, 15561304, 22634624, 24290816, 26208512, 31122608, 45269248, 48581632, 52417024, 62245216, 90538496, 104834048, 124490432, 181076992, 248980864, 497961728, 995923456, 1991846912]

約数ペア:

[(1, 1991846912), (2, 995923456), (4, 497961728), (8, 248980864), (11, 181076992), (16, 124490432), (19, 104834048), (22, 90538496), (32, 62245216), (38, 52417024), (41, 48581632), (44, 45269248), (64, 31122608), (76, 26208512), (82, 24290816), (88, 22634624), (128, 15561304), (152, 13104256), (164, 12145408), (176, 11317312), (209, 9530368), (227, 8774656), (256, 7780652), (304, 6552128), (328, 6072704), (352, 5658656), (418, 4765184), (451, 4416512), (454, 4387328), (512, 3890326), (608, 3276064), (656, 3036352), (704, 2829328), (779, 2556928), (836, 2382592), (902, 2208256), (908, 2193664), (1024, 1945163), (1216, 1638032), (1312, 1518176), (1408, 1414664), (1558, 1278464), (1672, 1191296), (1804, 1104128), (1816, 1096832), (2432, 819016), (2497, 797696), (2624, 759088), (2816, 707332), (3116, 639232), (3344, 595648), (3608, 552064), (3632, 548416), (4313, 461824), (4864, 409508), (4994, 398848), (5248, 379544), (5632, 353666), (6232, 319616), (6688, 297824), (7216, 276032), (7264, 274208), (8569, 232448), (8626, 230912), (9307, 214016), (9728, 204754), (9988, 199424), (10496, 189772), (11264, 176833), (12464, 159808), (13376, 148912), (14432, 138016), (14528, 137104), (17138, 116224), (17252, 115456), (18614, 107008), (19456, 102377), (19976, 99712), (20992, 94886), (24928, 79904), (26752, 74456), (28864, 69008), (29056, 68552), (34276, 58112), (34504, 57728), (37228, 53504), (39952, 49856), (41984, 47443)]