18961651990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{153947}}^1$

素因数の和:154176

約数の個数: 32

約数和(自身を含む): 34749142560

約数和(自身を除く): 15787490570

約数列:

[1, 2, 5, 10, 109, 113, 218, 226, 545, 565, 1090, 1130, 12317, 24634, 61585, 123170, 153947, 307894, 769735, 1539470, 16780223, 17396011, 33560446, 34792022, 83901115, 86980055, 167802230, 173960110, 1896165199, 3792330398, 9480825995, 18961651990]

約数ペア:

[(1, 18961651990), (2, 9480825995), (5, 3792330398), (10, 1896165199), (109, 173960110), (113, 167802230), (218, 86980055), (226, 83901115), (545, 34792022), (565, 33560446), (1090, 17396011), (1130, 16780223), (12317, 1539470), (24634, 769735), (61585, 307894), (123170, 153947)]