18837615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2383}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 32956416

約数和(自身を除く): 14118801

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2383, 2635, 7149, 7905, 11915, 35745, 40511, 73873, 121533, 202555, 221619, 369365, 607665, 1108095, 1255841, 3767523, 6279205, 18837615]

約数ペア:

[(1, 18837615), (3, 6279205), (5, 3767523), (15, 1255841), (17, 1108095), (31, 607665), (51, 369365), (85, 221619), (93, 202555), (155, 121533), (255, 73873), (465, 40511), (527, 35745), (1581, 11915), (2383, 7905), (2635, 7149)]