18863793

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 30356480

約数和(自身を除く): 11492687

約数列:

[1, 3, 9, 13, 27, 39, 117, 223, 241, 351, 669, 723, 2007, 2169, 2899, 3133, 6021, 6507, 8697, 9399, 26091, 28197, 53743, 78273, 84591, 161229, 483687, 698659, 1451061, 2095977, 6287931, 18863793]

約数ペア:

[(1, 18863793), (3, 6287931), (9, 2095977), (13, 1451061), (27, 698659), (39, 483687), (117, 161229), (223, 84591), (241, 78273), (351, 53743), (669, 28197), (723, 26091), (2007, 9399), (2169, 8697), (2899, 6507), (3133, 6021)]