18782030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 35610624

約数和(自身を除く): 16828594

約数列:

[1, 2, 5, 10, 23, 46, 115, 127, 230, 254, 635, 643, 1270, 1286, 2921, 3215, 5842, 6430, 14605, 14789, 29210, 29578, 73945, 81661, 147890, 163322, 408305, 816610, 1878203, 3756406, 9391015, 18782030]

約数ペア:

[(1, 18782030), (2, 9391015), (5, 3756406), (10, 1878203), (23, 816610), (46, 408305), (115, 163322), (127, 147890), (230, 81661), (254, 73945), (635, 29578), (643, 29210), (1270, 14789), (1286, 14605), (2921, 6430), (3215, 5842)]