18985416

素因数分解:

$2^3\times 3^1\times {\mathrm{421}}^1\times {\mathrm{1879}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 47601600

約数和(自身を除く): 28616184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 421, 842, 1263, 1684, 1879, 2526, 3368, 3758, 5052, 5637, 7516, 10104, 11274, 15032, 22548, 45096, 791059, 1582118, 2373177, 3164236, 4746354, 6328472, 9492708, 18985416]

約数ペア:

[(1, 18985416), (2, 9492708), (3, 6328472), (4, 4746354), (6, 3164236), (8, 2373177), (12, 1582118), (24, 791059), (421, 45096), (842, 22548), (1263, 15032), (1684, 11274), (1879, 10104), (2526, 7516), (3368, 5637), (3758, 5052)]