20180930905

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1\times {\mathrm{1583}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 25118843904

約数和(自身を除く): 4937912999

約数列:

[1, 5, 37, 137, 185, 503, 685, 1583, 2515, 5069, 7915, 18611, 25345, 58571, 68911, 93055, 216871, 292855, 344555, 796249, 1084355, 2549707, 3981245, 8024227, 12748535, 29461213, 40121135, 109086113, 147306065, 545430565, 4036186181, 20180930905]

約数ペア:

[(1, 20180930905), (5, 4036186181), (37, 545430565), (137, 147306065), (185, 109086113), (503, 40121135), (685, 29461213), (1583, 12748535), (2515, 8024227), (5069, 3981245), (7915, 2549707), (18611, 1084355), (25345, 796249), (58571, 344555), (68911, 292855), (93055, 216871)]