18757374

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 41817600

約数和(自身を除く): 23060226

約数列:

[1, 2, 3, 6, 23, 29, 43, 46, 58, 69, 86, 87, 109, 129, 138, 174, 218, 258, 327, 654, 667, 989, 1247, 1334, 1978, 2001, 2494, 2507, 2967, 3161, 3741, 4002, 4687, 5014, 5934, 6322, 7482, 7521, 9374, 9483, 14061, 15042, 18966, 28122, 28681, 57362, 72703, 86043, 107801, 135923, 145406, 172086, 215602, 218109, 271846, 323403, 407769, 436218, 646806, 815538, 3126229, 6252458, 9378687, 18757374]

約数ペア:

[(1, 18757374), (2, 9378687), (3, 6252458), (6, 3126229), (23, 815538), (29, 646806), (43, 436218), (46, 407769), (58, 323403), (69, 271846), (86, 218109), (87, 215602), (109, 172086), (129, 145406), (138, 135923), (174, 107801), (218, 86043), (258, 72703), (327, 57362), (654, 28681), (667, 28122), (989, 18966), (1247, 15042), (1334, 14061), (1978, 9483), (2001, 9374), (2494, 7521), (2507, 7482), (2967, 6322), (3161, 5934), (3741, 5014), (4002, 4687)]