18390402

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:1936

約数の個数: 40

約数和(自身を含む): 41906172

約数和(自身を除く): 23515770

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 1861, 3294, 3722, 4941, 5583, 9882, 11166, 16749, 33498, 50247, 100494, 113521, 150741, 227042, 301482, 340563, 681126, 1021689, 2043378, 3065067, 6130134, 9195201, 18390402]

約数ペア:

[(1, 18390402), (2, 9195201), (3, 6130134), (6, 3065067), (9, 2043378), (18, 1021689), (27, 681126), (54, 340563), (61, 301482), (81, 227042), (122, 150741), (162, 113521), (183, 100494), (366, 50247), (549, 33498), (1098, 16749), (1647, 11166), (1861, 9882), (3294, 5583), (3722, 4941)]