18657830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3527}}^1$

素因数の和:3580

約数の個数: 24

約数和(自身を含む): 35117712

約数和(自身を除く): 16459882

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3527, 5290, 7054, 17635, 35270, 81121, 162242, 405605, 811210, 1865783, 3731566, 9328915, 18657830]

約数ペア:

[(1, 18657830), (2, 9328915), (5, 3731566), (10, 1865783), (23, 811210), (46, 405605), (115, 162242), (230, 81121), (529, 35270), (1058, 17635), (2645, 7054), (3527, 5290)]