18861336

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2270

約数の個数: 80

約数和(自身を含む): 56918400

約数和(自身を除く): 38057064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2239, 2808, 4212, 4478, 6717, 8424, 8956, 13434, 17912, 20151, 26868, 29107, 40302, 53736, 58214, 60453, 80604, 87321, 116428, 120906, 161208, 174642, 181359, 232856, 241812, 261963, 349284, 362718, 483624, 523926, 698568, 725436, 785889, 1047852, 1450872, 1571778, 2095704, 2357667, 3143556, 4715334, 6287112, 9430668, 18861336]

約数ペア:

[(1, 18861336), (2, 9430668), (3, 6287112), (4, 4715334), (6, 3143556), (8, 2357667), (9, 2095704), (12, 1571778), (13, 1450872), (18, 1047852), (24, 785889), (26, 725436), (27, 698568), (36, 523926), (39, 483624), (52, 362718), (54, 349284), (72, 261963), (78, 241812), (81, 232856), (104, 181359), (108, 174642), (117, 161208), (156, 120906), (162, 116428), (216, 87321), (234, 80604), (312, 60453), (324, 58214), (351, 53736), (468, 40302), (648, 29107), (702, 26868), (936, 20151), (1053, 17912), (1404, 13434), (2106, 8956), (2239, 8424), (2808, 6717), (4212, 4478)]