419221918

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{20959}}^1$

素因数の和:21171

約数の個数: 16

約数和(自身を含む): 642130560

約数和(自身を除く): 222908642

約数列:

[1, 2, 73, 137, 146, 274, 10001, 20002, 20959, 41918, 1530007, 2871383, 3060014, 5742766, 209610959, 419221918]

約数ペア:

[(1, 419221918), (2, 209610959), (73, 5742766), (137, 3060014), (146, 2871383), (274, 1530007), (10001, 41918), (20002, 20959)]