18119549721

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9481711}}^1$

素因数の和:9481741

約数の個数: 24

約数和(自身を含む): 30265624704

約数和(自身を除く): 12146074983

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9481711, 28445133, 66371977, 123262243, 199115931, 369786729, 464603839, 862835701, 1393811517, 2588507103, 6039849907, 18119549721]

約数ペア:

[(1, 18119549721), (3, 6039849907), (7, 2588507103), (13, 1393811517), (21, 862835701), (39, 464603839), (49, 369786729), (91, 199115931), (147, 123262243), (273, 66371977), (637, 28445133), (1911, 9481711)]