19378443

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 31435776

約数和(自身を除く): 12057333

約数列:

[1, 3, 7, 21, 23, 53, 69, 159, 161, 371, 483, 757, 1113, 1219, 2271, 3657, 5299, 8533, 15897, 17411, 25599, 40121, 52233, 120363, 121877, 280847, 365631, 842541, 922783, 2768349, 6459481, 19378443]

約数ペア:

[(1, 19378443), (3, 6459481), (7, 2768349), (21, 922783), (23, 842541), (53, 365631), (69, 280847), (159, 121877), (161, 120363), (371, 52233), (483, 40121), (757, 25599), (1113, 17411), (1219, 15897), (2271, 8533), (3657, 5299)]