19195280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18457}}^1$

素因数の和:18483

約数の個数: 40

約数和(自身を含む): 48064632

約数和(自身を除く): 28869352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18457, 36914, 73828, 92285, 147656, 184570, 239941, 295312, 369140, 479882, 738280, 959764, 1199705, 1476560, 1919528, 2399410, 3839056, 4798820, 9597640, 19195280]

約数ペア:

[(1, 19195280), (2, 9597640), (4, 4798820), (5, 3839056), (8, 2399410), (10, 1919528), (13, 1476560), (16, 1199705), (20, 959764), (26, 738280), (40, 479882), (52, 369140), (65, 295312), (80, 239941), (104, 184570), (130, 147656), (208, 92285), (260, 73828), (520, 36914), (1040, 18457)]