18126710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2039}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 19474570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2039, 4078, 4445, 8890, 10195, 14273, 20390, 28546, 71365, 142730, 258953, 517906, 1294765, 1812671, 2589530, 3625342, 9063355, 18126710]

約数ペア:

[(1, 18126710), (2, 9063355), (5, 3625342), (7, 2589530), (10, 1812671), (14, 1294765), (35, 517906), (70, 258953), (127, 142730), (254, 71365), (635, 28546), (889, 20390), (1270, 14273), (1778, 10195), (2039, 8890), (4078, 4445)]