17827940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 22814620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 359, 382, 718, 764, 955, 1436, 1795, 1910, 2483, 3590, 3820, 4667, 4966, 7180, 9334, 9932, 12415, 18668, 23335, 24830, 46670, 49660, 68569, 93340, 137138, 274276, 342845, 685690, 891397, 1371380, 1782794, 3565588, 4456985, 8913970, 17827940]

約数ペア:

[(1, 17827940), (2, 8913970), (4, 4456985), (5, 3565588), (10, 1782794), (13, 1371380), (20, 891397), (26, 685690), (52, 342845), (65, 274276), (130, 137138), (191, 93340), (260, 68569), (359, 49660), (382, 46670), (718, 24830), (764, 23335), (955, 18668), (1436, 12415), (1795, 9932), (1910, 9334), (2483, 7180), (3590, 4966), (3820, 4667)]