19009045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11149}}^1$

素因数の和:11196

約数の個数: 16

約数和(自身を含む): 25689600

約数和(自身を除く): 6680555

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 11149, 55745, 122639, 345619, 613195, 1728095, 3801809, 19009045]

約数ペア:

[(1, 19009045), (5, 3801809), (11, 1728095), (31, 613195), (55, 345619), (155, 122639), (341, 55745), (1705, 11149)]