20181345513

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{75617}}^1$

素因数の和:75877

約数の個数: 32

約数和(自身を含む): 31360296960

約数和(自身を除く): 11178951447

約数列:

[1, 3, 7, 21, 71, 179, 213, 497, 537, 1253, 1491, 3759, 12709, 38127, 75617, 88963, 226851, 266889, 529319, 1587957, 5368807, 13535443, 16106421, 37581649, 40606329, 94748101, 112744947, 284244303, 961016453, 2883049359, 6727115171, 20181345513]

約数ペア:

[(1, 20181345513), (3, 6727115171), (7, 2883049359), (21, 961016453), (71, 284244303), (179, 112744947), (213, 94748101), (497, 40606329), (537, 37581649), (1253, 16106421), (1491, 13535443), (3759, 5368807), (12709, 1587957), (38127, 529319), (75617, 266889), (88963, 226851)]