18387660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7127}}^1$

素因数の和:7182

約数の個数: 48

約数和(自身を含む): 52690176

約数和(自身を除く): 34302516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7127, 14254, 21381, 28508, 35635, 42762, 71270, 85524, 106905, 142540, 213810, 306461, 427620, 612922, 919383, 1225844, 1532305, 1838766, 3064610, 3677532, 4596915, 6129220, 9193830, 18387660]

約数ペア:

[(1, 18387660), (2, 9193830), (3, 6129220), (4, 4596915), (5, 3677532), (6, 3064610), (10, 1838766), (12, 1532305), (15, 1225844), (20, 919383), (30, 612922), (43, 427620), (60, 306461), (86, 213810), (129, 142540), (172, 106905), (215, 85524), (258, 71270), (430, 42762), (516, 35635), (645, 28508), (860, 21381), (1290, 14254), (2580, 7127)]