19528685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2383}}^1$

素因数の和:2548

約数の個数: 16

約数和(自身を含む): 25747200

約数和(自身を除く): 6218515

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2383, 8195, 11915, 26213, 131065, 355067, 1775335, 3905737, 19528685]

約数ペア:

[(1, 19528685), (5, 3905737), (11, 1775335), (55, 355067), (149, 131065), (745, 26213), (1639, 11915), (2383, 8195)]