19891390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{607}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 37428480

約数和(自身を除く): 17537090

約数列:

[1, 2, 5, 10, 29, 58, 113, 145, 226, 290, 565, 607, 1130, 1214, 3035, 3277, 6070, 6554, 16385, 17603, 32770, 35206, 68591, 88015, 137182, 176030, 342955, 685910, 1989139, 3978278, 9945695, 19891390]

約数ペア:

[(1, 19891390), (2, 9945695), (5, 3978278), (10, 1989139), (29, 685910), (58, 342955), (113, 176030), (145, 137182), (226, 88015), (290, 68591), (565, 35206), (607, 32770), (1130, 17603), (1214, 16385), (3035, 6554), (3277, 6070)]