19827730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3547}}^1$

素因数の和:3610

約数の個数: 32

約数和(自身を含む): 39340224

約数和(自身を除く): 19512494

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3547, 5590, 7094, 17735, 35470, 46111, 92222, 152521, 230555, 305042, 461110, 762605, 1525210, 1982773, 3965546, 9913865, 19827730]

約数ペア:

[(1, 19827730), (2, 9913865), (5, 3965546), (10, 1982773), (13, 1525210), (26, 762605), (43, 461110), (65, 305042), (86, 230555), (130, 152521), (215, 92222), (430, 46111), (559, 35470), (1118, 17735), (2795, 7094), (3547, 5590)]