18336140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 41149920

約数和(自身を除く): 22813780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 661, 730, 1322, 1387, 1460, 2644, 2774, 3305, 5548, 6610, 6935, 12559, 13220, 13870, 25118, 27740, 48253, 50236, 62795, 96506, 125590, 193012, 241265, 251180, 482530, 916807, 965060, 1833614, 3667228, 4584035, 9168070, 18336140]

約数ペア:

[(1, 18336140), (2, 9168070), (4, 4584035), (5, 3667228), (10, 1833614), (19, 965060), (20, 916807), (38, 482530), (73, 251180), (76, 241265), (95, 193012), (146, 125590), (190, 96506), (292, 62795), (365, 50236), (380, 48253), (661, 27740), (730, 25118), (1322, 13870), (1387, 13220), (1460, 12559), (2644, 6935), (2774, 6610), (3305, 5548)]