18389724

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 44381568

約数和(自身を除く): 25991844

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 157, 172, 227, 258, 314, 454, 471, 516, 628, 681, 908, 942, 1362, 1884, 2724, 6751, 9761, 13502, 19522, 20253, 27004, 29283, 35639, 39044, 40506, 58566, 71278, 81012, 106917, 117132, 142556, 213834, 427668, 1532477, 3064954, 4597431, 6129908, 9194862, 18389724]

約数ペア:

[(1, 18389724), (2, 9194862), (3, 6129908), (4, 4597431), (6, 3064954), (12, 1532477), (43, 427668), (86, 213834), (129, 142556), (157, 117132), (172, 106917), (227, 81012), (258, 71278), (314, 58566), (454, 40506), (471, 39044), (516, 35639), (628, 29283), (681, 27004), (908, 20253), (942, 19522), (1362, 13502), (1884, 9761), (2724, 6751)]