19518174

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 26345826

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 239, 349, 478, 698, 717, 1047, 1434, 2094, 2151, 3107, 3141, 4302, 4537, 6214, 6282, 9074, 9321, 13611, 18642, 27222, 27963, 40833, 55926, 81666, 83411, 166822, 250233, 500466, 750699, 1084343, 1501398, 2168686, 3253029, 6506058, 9759087, 19518174]

約数ペア:

[(1, 19518174), (2, 9759087), (3, 6506058), (6, 3253029), (9, 2168686), (13, 1501398), (18, 1084343), (26, 750699), (39, 500466), (78, 250233), (117, 166822), (234, 83411), (239, 81666), (349, 55926), (478, 40833), (698, 27963), (717, 27222), (1047, 18642), (1434, 13611), (2094, 9321), (2151, 9074), (3107, 6282), (3141, 6214), (4302, 4537)]