18437380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70913}}^1$

素因数の和:70935

約数の個数: 24

約数和(自身を含む): 41697432

約数和(自身を除く): 23260052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70913, 141826, 283652, 354565, 709130, 921869, 1418260, 1843738, 3687476, 4609345, 9218690, 18437380]

約数ペア:

[(1, 18437380), (2, 9218690), (4, 4609345), (5, 3687476), (10, 1843738), (13, 1418260), (20, 921869), (26, 709130), (52, 354565), (65, 283652), (130, 141826), (260, 70913)]