18536778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2141}}^1$

素因数の和:2199

約数の個数: 48

約数和(自身を含む): 44442216

約数和(自身を除く): 25905438

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2141, 2886, 4282, 4329, 6423, 8658, 12846, 19269, 27833, 38538, 55666, 79217, 83499, 158434, 166998, 237651, 250497, 475302, 500994, 712953, 1029821, 1425906, 2059642, 3089463, 6178926, 9268389, 18536778]

約数ペア:

[(1, 18536778), (2, 9268389), (3, 6178926), (6, 3089463), (9, 2059642), (13, 1425906), (18, 1029821), (26, 712953), (37, 500994), (39, 475302), (74, 250497), (78, 237651), (111, 166998), (117, 158434), (222, 83499), (234, 79217), (333, 55666), (481, 38538), (666, 27833), (962, 19269), (1443, 12846), (2141, 8658), (2886, 6423), (4282, 4329)]