18789027842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1\times {\mathrm{487}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 32022950400

約数和(自身を除く): 13233922558

約数列:

[1, 2, 13, 23, 26, 46, 149, 298, 299, 433, 487, 598, 866, 974, 1937, 3427, 3874, 5629, 6331, 6854, 9959, 11201, 11258, 12662, 19918, 22402, 44551, 64517, 72563, 89102, 129034, 129467, 145126, 145613, 210871, 258934, 291226, 421742, 838721, 943319, 1483891, 1668949, 1677442, 1886638, 2741323, 2967782, 3337898, 4850033, 5482646, 9700066, 19290583, 21696337, 31419779, 38581166, 43392674, 62839558, 63050429, 126100858, 408457127, 722654917, 816914254, 1445309834, 9394513921, 18789027842]

約数ペア:

[(1, 18789027842), (2, 9394513921), (13, 1445309834), (23, 816914254), (26, 722654917), (46, 408457127), (149, 126100858), (298, 63050429), (299, 62839558), (433, 43392674), (487, 38581166), (598, 31419779), (866, 21696337), (974, 19290583), (1937, 9700066), (3427, 5482646), (3874, 4850033), (5629, 3337898), (6331, 2967782), (6854, 2741323), (9959, 1886638), (11201, 1677442), (11258, 1668949), (12662, 1483891), (19918, 943319), (22402, 838721), (44551, 421742), (64517, 291226), (72563, 258934), (89102, 210871), (129034, 145613), (129467, 145126)]