18763992

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20047}}^1$

素因数の和:20072

約数の個数: 48

約数和(自身を含む): 54731040

約数和(自身を除く): 35967048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20047, 40094, 60141, 80188, 120282, 160376, 180423, 240564, 260611, 360846, 481128, 521222, 721692, 781833, 1042444, 1443384, 1563666, 2084888, 2345499, 3127332, 4690998, 6254664, 9381996, 18763992]

約数ペア:

[(1, 18763992), (2, 9381996), (3, 6254664), (4, 4690998), (6, 3127332), (8, 2345499), (9, 2084888), (12, 1563666), (13, 1443384), (18, 1042444), (24, 781833), (26, 721692), (36, 521222), (39, 481128), (52, 360846), (72, 260611), (78, 240564), (104, 180423), (117, 160376), (156, 120282), (234, 80188), (312, 60141), (468, 40094), (936, 20047)]