18208042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 12273878

約数列:

[1, 2, 19, 23, 38, 46, 83, 166, 251, 437, 502, 874, 1577, 1909, 3154, 3818, 4769, 5773, 9538, 11546, 20833, 36271, 41666, 72542, 109687, 219374, 395827, 479159, 791654, 958318, 9104021, 18208042]

約数ペア:

[(1, 18208042), (2, 9104021), (19, 958318), (23, 791654), (38, 479159), (46, 395827), (83, 219374), (166, 109687), (251, 72542), (437, 41666), (502, 36271), (874, 20833), (1577, 11546), (1909, 9538), (3154, 5773), (3818, 4769)]