18938660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3167}}^1$

素因数の和:3212

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 25768156

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3167, 5980, 6334, 12668, 15835, 31670, 41171, 63340, 72841, 82342, 145682, 164684, 205855, 291364, 364205, 411710, 728410, 823420, 946933, 1456820, 1893866, 3787732, 4734665, 9469330, 18938660]

約数ペア:

[(1, 18938660), (2, 9469330), (4, 4734665), (5, 3787732), (10, 1893866), (13, 1456820), (20, 946933), (23, 823420), (26, 728410), (46, 411710), (52, 364205), (65, 291364), (92, 205855), (115, 164684), (130, 145682), (230, 82342), (260, 72841), (299, 63340), (460, 41171), (598, 31670), (1196, 15835), (1495, 12668), (2990, 6334), (3167, 5980)]