19988736

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1531}}^1$

素因数の和:1567

約数の個数: 72

約数和(自身を含む): 56365344

約数和(自身を除く): 36376608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 544, 768, 816, 1088, 1531, 1632, 2176, 3062, 3264, 4352, 4593, 6124, 6528, 9186, 12248, 13056, 18372, 24496, 26027, 36744, 48992, 52054, 73488, 78081, 97984, 104108, 146976, 156162, 195968, 208216, 293952, 312324, 391936, 416432, 587904, 624648, 832864, 1175808, 1249296, 1665728, 2498592, 3331456, 4997184, 6662912, 9994368, 19988736]

約数ペア:

[(1, 19988736), (2, 9994368), (3, 6662912), (4, 4997184), (6, 3331456), (8, 2498592), (12, 1665728), (16, 1249296), (17, 1175808), (24, 832864), (32, 624648), (34, 587904), (48, 416432), (51, 391936), (64, 312324), (68, 293952), (96, 208216), (102, 195968), (128, 156162), (136, 146976), (192, 104108), (204, 97984), (256, 78081), (272, 73488), (384, 52054), (408, 48992), (544, 36744), (768, 26027), (816, 24496), (1088, 18372), (1531, 13056), (1632, 12248), (2176, 9186), (3062, 6528), (3264, 6124), (4352, 4593)]