19454005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4357}}^1$

素因数の和:4428

約数の個数: 16

約数和(自身を含む): 25102080

約数和(自身を除く): 5648075

約数列:

[1, 5, 19, 47, 95, 235, 893, 4357, 4465, 21785, 82783, 204779, 413915, 1023895, 3890801, 19454005]

約数ペア:

[(1, 19454005), (5, 3890801), (19, 1023895), (47, 413915), (95, 204779), (235, 82783), (893, 21785), (4357, 4465)]