19864009915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{15619}}^1\times {\mathrm{11059}}^1$

素因数の和:26706

約数の個数: 16

約数和(自身を含む): 24877036800

約数和(自身を除く): 5013026885

約数列:

[1, 5, 23, 115, 11059, 15619, 55295, 78095, 254357, 359237, 1271785, 1796185, 172730521, 863652605, 3972801983, 19864009915]

約数ペア:

[(1, 19864009915), (5, 3972801983), (23, 863652605), (115, 172730521), (11059, 1796185), (15619, 1271785), (55295, 359237), (78095, 254357)]