18984918

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 39004416

約数和(自身を除く): 20019498

約数列:

[1, 2, 3, 6, 53, 106, 159, 227, 263, 318, 454, 526, 681, 789, 1362, 1578, 12031, 13939, 24062, 27878, 36093, 41817, 59701, 72186, 83634, 119402, 179103, 358206, 3164153, 6328306, 9492459, 18984918]

約数ペア:

[(1, 18984918), (2, 9492459), (3, 6328306), (6, 3164153), (53, 358206), (106, 179103), (159, 119402), (227, 83634), (263, 72186), (318, 59701), (454, 41817), (526, 36093), (681, 27878), (789, 24062), (1362, 13939), (1578, 12031)]