18561945

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 30730752

約数和(自身を除く): 12168807

約数列:

[1, 3, 5, 15, 47, 113, 141, 233, 235, 339, 565, 699, 705, 1165, 1695, 3495, 5311, 10951, 15933, 26329, 26555, 32853, 54755, 78987, 79665, 131645, 164265, 394935, 1237463, 3712389, 6187315, 18561945]

約数ペア:

[(1, 18561945), (3, 6187315), (5, 3712389), (15, 1237463), (47, 394935), (113, 164265), (141, 131645), (233, 79665), (235, 78987), (339, 54755), (565, 32853), (699, 26555), (705, 26329), (1165, 15933), (1695, 10951), (3495, 5311)]