19866114

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 46366080

約数和(自身を除く): 26499966

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 61, 74, 111, 122, 163, 183, 222, 326, 333, 366, 489, 549, 666, 978, 999, 1098, 1467, 1647, 1998, 2257, 2934, 3294, 4401, 4514, 6031, 6771, 8802, 9943, 12062, 13542, 18093, 19886, 20313, 29829, 36186, 40626, 54279, 59658, 60939, 89487, 108558, 121878, 162837, 178974, 268461, 325674, 367891, 536922, 735782, 1103673, 2207346, 3311019, 6622038, 9933057, 19866114]

約数ペア:

[(1, 19866114), (2, 9933057), (3, 6622038), (6, 3311019), (9, 2207346), (18, 1103673), (27, 735782), (37, 536922), (54, 367891), (61, 325674), (74, 268461), (111, 178974), (122, 162837), (163, 121878), (183, 108558), (222, 89487), (326, 60939), (333, 59658), (366, 54279), (489, 40626), (549, 36186), (666, 29829), (978, 20313), (999, 19886), (1098, 18093), (1467, 13542), (1647, 12062), (1998, 9943), (2257, 8802), (2934, 6771), (3294, 6031), (4401, 4514)]