18439460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70921}}^1$

素因数の和:70943

約数の個数: 24

約数和(自身を含む): 41702136

約数和(自身を除く): 23262676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70921, 141842, 283684, 354605, 709210, 921973, 1418420, 1843946, 3687892, 4609865, 9219730, 18439460]

約数ペア:

[(1, 18439460), (2, 9219730), (4, 4609865), (5, 3687892), (10, 1843946), (13, 1418420), (20, 921973), (26, 709210), (52, 354605), (65, 283684), (130, 141842), (260, 70921)]