18220932

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 49271040

約数和(自身を除く): 31050108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 31, 36, 58, 62, 87, 93, 116, 124, 174, 186, 261, 279, 348, 372, 522, 558, 563, 899, 1044, 1116, 1126, 1689, 1798, 2252, 2697, 3378, 3596, 5067, 5394, 6756, 8091, 10134, 10788, 16182, 16327, 17453, 20268, 32364, 32654, 34906, 48981, 52359, 65308, 69812, 97962, 104718, 146943, 157077, 195924, 209436, 293886, 314154, 506137, 587772, 628308, 1012274, 1518411, 2024548, 3036822, 4555233, 6073644, 9110466, 18220932]

約数ペア:

[(1, 18220932), (2, 9110466), (3, 6073644), (4, 4555233), (6, 3036822), (9, 2024548), (12, 1518411), (18, 1012274), (29, 628308), (31, 587772), (36, 506137), (58, 314154), (62, 293886), (87, 209436), (93, 195924), (116, 157077), (124, 146943), (174, 104718), (186, 97962), (261, 69812), (279, 65308), (348, 52359), (372, 48981), (522, 34906), (558, 32654), (563, 32364), (899, 20268), (1044, 17453), (1116, 16327), (1126, 16182), (1689, 10788), (1798, 10134), (2252, 8091), (2697, 6756), (3378, 5394), (3596, 5067)]