18941480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24923}}^1$

素因数の和:24953

約数の個数: 32

約数和(自身を含む): 44863200

約数和(自身を除く): 25921720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24923, 49846, 99692, 124615, 199384, 249230, 473537, 498460, 947074, 996920, 1894148, 2367685, 3788296, 4735370, 9470740, 18941480]

約数ペア:

[(1, 18941480), (2, 9470740), (4, 4735370), (5, 3788296), (8, 2367685), (10, 1894148), (19, 996920), (20, 947074), (38, 498460), (40, 473537), (76, 249230), (95, 199384), (152, 124615), (190, 99692), (380, 49846), (760, 24923)]