19618816

素因数分解:

$2^{10}\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 132

約数和(自身を含む): 50405328

約数和(自身を除く): 30786512

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 49, 56, 64, 68, 92, 98, 112, 119, 128, 136, 161, 184, 196, 224, 238, 256, 272, 322, 368, 391, 392, 448, 476, 512, 544, 644, 736, 782, 784, 833, 896, 952, 1024, 1088, 1127, 1288, 1472, 1564, 1568, 1666, 1792, 1904, 2176, 2254, 2576, 2737, 2944, 3128, 3136, 3332, 3584, 3808, 4352, 4508, 5152, 5474, 5888, 6256, 6272, 6664, 7168, 7616, 8704, 9016, 10304, 10948, 11776, 12512, 12544, 13328, 15232, 17408, 18032, 19159, 20608, 21896, 23552, 25024, 25088, 26656, 30464, 36064, 38318, 41216, 43792, 50048, 50176, 53312, 60928, 72128, 76636, 82432, 87584, 100096, 106624, 121856, 144256, 153272, 164864, 175168, 200192, 213248, 288512, 306544, 350336, 400384, 426496, 577024, 613088, 700672, 852992, 1154048, 1226176, 1401344, 2452352, 2802688, 4904704, 9809408, 19618816]

約数ペア:

[(1, 19618816), (2, 9809408), (4, 4904704), (7, 2802688), (8, 2452352), (14, 1401344), (16, 1226176), (17, 1154048), (23, 852992), (28, 700672), (32, 613088), (34, 577024), (46, 426496), (49, 400384), (56, 350336), (64, 306544), (68, 288512), (92, 213248), (98, 200192), (112, 175168), (119, 164864), (128, 153272), (136, 144256), (161, 121856), (184, 106624), (196, 100096), (224, 87584), (238, 82432), (256, 76636), (272, 72128), (322, 60928), (368, 53312), (391, 50176), (392, 50048), (448, 43792), (476, 41216), (512, 38318), (544, 36064), (644, 30464), (736, 26656), (782, 25088), (784, 25024), (833, 23552), (896, 21896), (952, 20608), (1024, 19159), (1088, 18032), (1127, 17408), (1288, 15232), (1472, 13328), (1564, 12544), (1568, 12512), (1666, 11776), (1792, 10948), (1904, 10304), (2176, 9016), (2254, 8704), (2576, 7616), (2737, 7168), (2944, 6664), (3128, 6272), (3136, 6256), (3332, 5888), (3584, 5474), (3808, 5152), (4352, 4508)]