19942364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6287}}^1$

素因数の和:6365

約数の個数: 24

約数和(自身を含む): 38205888

約数和(自身を除く): 18263524

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6287, 12574, 25148, 81731, 163462, 326924, 383507, 767014, 1534028, 4985591, 9971182, 19942364]

約数ペア:

[(1, 19942364), (2, 9971182), (4, 4985591), (13, 1534028), (26, 767014), (52, 383507), (61, 326924), (122, 163462), (244, 81731), (793, 25148), (1586, 12574), (3172, 6287)]