18466252

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 39370240

約数和(自身を除く): 20903988

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 337, 412, 532, 674, 721, 1348, 1442, 1957, 2359, 2884, 3914, 4718, 6403, 7828, 9436, 12806, 13699, 25612, 27398, 34711, 44821, 54796, 69422, 89642, 138844, 179284, 242977, 485954, 659509, 971908, 1319018, 2638036, 4616563, 9233126, 18466252]

約数ペア:

[(1, 18466252), (2, 9233126), (4, 4616563), (7, 2638036), (14, 1319018), (19, 971908), (28, 659509), (38, 485954), (76, 242977), (103, 179284), (133, 138844), (206, 89642), (266, 69422), (337, 54796), (412, 44821), (532, 34711), (674, 27398), (721, 25612), (1348, 13699), (1442, 12806), (1957, 9436), (2359, 7828), (2884, 6403), (3914, 4718)]