19860140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14821}}^1$

素因数の和:14897

約数の個数: 24

約数和(自身を含む): 42331632

約数和(自身を除く): 22471492

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 14821, 29642, 59284, 74105, 148210, 296420, 993007, 1986014, 3972028, 4965035, 9930070, 19860140]

約数ペア:

[(1, 19860140), (2, 9930070), (4, 4965035), (5, 3972028), (10, 1986014), (20, 993007), (67, 296420), (134, 148210), (268, 74105), (335, 59284), (670, 29642), (1340, 14821)]