18231488

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 112

約数和(自身を含む): 43891200

約数和(自身を除く): 25659712

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 29, 32, 38, 44, 47, 58, 64, 76, 88, 94, 116, 152, 176, 188, 209, 232, 304, 319, 352, 376, 418, 464, 517, 551, 608, 638, 704, 752, 836, 893, 928, 1034, 1102, 1216, 1276, 1363, 1504, 1672, 1786, 1856, 2068, 2204, 2552, 2726, 3008, 3344, 3572, 4136, 4408, 5104, 5452, 6061, 6688, 7144, 8272, 8816, 9823, 10208, 10904, 12122, 13376, 14288, 14993, 16544, 17632, 19646, 20416, 21808, 24244, 25897, 28576, 29986, 33088, 35264, 39292, 43616, 48488, 51794, 57152, 59972, 78584, 87232, 96976, 103588, 119944, 157168, 193952, 207176, 239888, 284867, 314336, 387904, 414352, 479776, 569734, 628672, 828704, 959552, 1139468, 1657408, 2278936, 4557872, 9115744, 18231488]

約数ペア:

[(1, 18231488), (2, 9115744), (4, 4557872), (8, 2278936), (11, 1657408), (16, 1139468), (19, 959552), (22, 828704), (29, 628672), (32, 569734), (38, 479776), (44, 414352), (47, 387904), (58, 314336), (64, 284867), (76, 239888), (88, 207176), (94, 193952), (116, 157168), (152, 119944), (176, 103588), (188, 96976), (209, 87232), (232, 78584), (304, 59972), (319, 57152), (352, 51794), (376, 48488), (418, 43616), (464, 39292), (517, 35264), (551, 33088), (608, 29986), (638, 28576), (704, 25897), (752, 24244), (836, 21808), (893, 20416), (928, 19646), (1034, 17632), (1102, 16544), (1216, 14993), (1276, 14288), (1363, 13376), (1504, 12122), (1672, 10904), (1786, 10208), (1856, 9823), (2068, 8816), (2204, 8272), (2552, 7144), (2726, 6688), (3008, 6061), (3344, 5452), (3572, 5104), (4136, 4408)]