19825910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8971}}^1$

素因数の和:9008

約数の個数: 32

約数和(自身を含む): 40696992

約数和(自身を除く): 20871082

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8971, 17942, 44855, 89710, 116623, 152507, 233246, 305014, 583115, 762535, 1166230, 1525070, 1982591, 3965182, 9912955, 19825910]

約数ペア:

[(1, 19825910), (2, 9912955), (5, 3965182), (10, 1982591), (13, 1525070), (17, 1166230), (26, 762535), (34, 583115), (65, 305014), (85, 233246), (130, 152507), (170, 116623), (221, 89710), (442, 44855), (1105, 17942), (2210, 8971)]