18956745

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8963}}^1$

素因数の和:9021

約数の個数: 24

約数和(自身を含む): 33561216

約数和(自身を除く): 14604471

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 8963, 26889, 44815, 80667, 134445, 403335, 421261, 1263783, 2106305, 3791349, 6318915, 18956745]

約数ペア:

[(1, 18956745), (3, 6318915), (5, 3791349), (9, 2106305), (15, 1263783), (45, 421261), (47, 403335), (141, 134445), (235, 80667), (423, 44815), (705, 26889), (2115, 8963)]