18278010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4723}}^1$

素因数の和:4779

約数の個数: 48

約数和(自身を含む): 48638304

約数和(自身を除く): 30360294

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 4723, 9446, 14169, 23615, 28338, 42507, 47230, 70845, 85014, 141690, 203089, 212535, 406178, 425070, 609267, 1015445, 1218534, 1827801, 2030890, 3046335, 3655602, 6092670, 9139005, 18278010]

約数ペア:

[(1, 18278010), (2, 9139005), (3, 6092670), (5, 3655602), (6, 3046335), (9, 2030890), (10, 1827801), (15, 1218534), (18, 1015445), (30, 609267), (43, 425070), (45, 406178), (86, 212535), (90, 203089), (129, 141690), (215, 85014), (258, 70845), (387, 47230), (430, 42507), (645, 28338), (774, 23615), (1290, 14169), (1935, 9446), (3870, 4723)]