18571995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 16808805

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 117, 159, 195, 265, 477, 585, 599, 689, 795, 1797, 2067, 2385, 2995, 3445, 5391, 6201, 7787, 8985, 10335, 23361, 26955, 31005, 31747, 38935, 70083, 95241, 116805, 158735, 285723, 350415, 412711, 476205, 1238133, 1428615, 2063555, 3714399, 6190665, 18571995]

約数ペア:

[(1, 18571995), (3, 6190665), (5, 3714399), (9, 2063555), (13, 1428615), (15, 1238133), (39, 476205), (45, 412711), (53, 350415), (65, 285723), (117, 158735), (159, 116805), (195, 95241), (265, 70083), (477, 38935), (585, 31747), (599, 31005), (689, 26955), (795, 23361), (1797, 10335), (2067, 8985), (2385, 7787), (2995, 6201), (3445, 5391)]