18241990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6101}}^1$

素因数の和:6144

約数の個数: 32

約数和(自身を含む): 36904896

約数和(自身を除く): 18662906

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6101, 12202, 30505, 61010, 79313, 140323, 158626, 280646, 396565, 701615, 793130, 1403230, 1824199, 3648398, 9120995, 18241990]

約数ペア:

[(1, 18241990), (2, 9120995), (5, 3648398), (10, 1824199), (13, 1403230), (23, 793130), (26, 701615), (46, 396565), (65, 280646), (115, 158626), (130, 140323), (230, 79313), (299, 61010), (598, 30505), (1495, 12202), (2990, 6101)]