19157504

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 80

約数和(自身を含む): 42425856

約数和(自身を除く): 23268352

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 71, 124, 128, 136, 142, 248, 256, 272, 284, 496, 512, 527, 544, 568, 992, 1054, 1088, 1136, 1207, 1984, 2108, 2176, 2201, 2272, 2414, 3968, 4216, 4352, 4402, 4544, 4828, 7936, 8432, 8704, 8804, 9088, 9656, 15872, 16864, 17608, 18176, 19312, 33728, 35216, 36352, 37417, 38624, 67456, 70432, 74834, 77248, 134912, 140864, 149668, 154496, 269824, 281728, 299336, 308992, 563456, 598672, 617984, 1126912, 1197344, 2394688, 4789376, 9578752, 19157504]

約数ペア:

[(1, 19157504), (2, 9578752), (4, 4789376), (8, 2394688), (16, 1197344), (17, 1126912), (31, 617984), (32, 598672), (34, 563456), (62, 308992), (64, 299336), (68, 281728), (71, 269824), (124, 154496), (128, 149668), (136, 140864), (142, 134912), (248, 77248), (256, 74834), (272, 70432), (284, 67456), (496, 38624), (512, 37417), (527, 36352), (544, 35216), (568, 33728), (992, 19312), (1054, 18176), (1088, 17608), (1136, 16864), (1207, 15872), (1984, 9656), (2108, 9088), (2176, 8804), (2201, 8704), (2272, 8432), (2414, 7936), (3968, 4828), (4216, 4544), (4352, 4402)]