18191640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151597}}^1$

素因数の和:151611

約数の個数: 32

約数和(自身を含む): 54575280

約数和(自身を除く): 36383640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151597, 303194, 454791, 606388, 757985, 909582, 1212776, 1515970, 1819164, 2273955, 3031940, 3638328, 4547910, 6063880, 9095820, 18191640]

約数ペア:

[(1, 18191640), (2, 9095820), (3, 6063880), (4, 4547910), (5, 3638328), (6, 3031940), (8, 2273955), (10, 1819164), (12, 1515970), (15, 1212776), (20, 909582), (24, 757985), (30, 606388), (40, 454791), (60, 303194), (120, 151597)]