18687730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2682

約数の個数: 32

約数和(自身を含む): 36246528

約数和(自身を除く): 17558798

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 2621, 3565, 5242, 7130, 13105, 26210, 60283, 81251, 120566, 162502, 301415, 406255, 602830, 812510, 1868773, 3737546, 9343865, 18687730]

約数ペア:

[(1, 18687730), (2, 9343865), (5, 3737546), (10, 1868773), (23, 812510), (31, 602830), (46, 406255), (62, 301415), (115, 162502), (155, 120566), (230, 81251), (310, 60283), (713, 26210), (1426, 13105), (2621, 7130), (3565, 5242)]