19126432

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2045

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 23209568

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 184, 208, 299, 368, 416, 598, 736, 1196, 1999, 2392, 3998, 4784, 7996, 9568, 15992, 25987, 31984, 45977, 51974, 63968, 91954, 103948, 183908, 207896, 367816, 415792, 597701, 735632, 831584, 1195402, 1471264, 2390804, 4781608, 9563216, 19126432]

約数ペア:

[(1, 19126432), (2, 9563216), (4, 4781608), (8, 2390804), (13, 1471264), (16, 1195402), (23, 831584), (26, 735632), (32, 597701), (46, 415792), (52, 367816), (92, 207896), (104, 183908), (184, 103948), (208, 91954), (299, 63968), (368, 51974), (416, 45977), (598, 31984), (736, 25987), (1196, 15992), (1999, 9568), (2392, 7996), (3998, 4784)]