18863928

素因数分解:

$2^3\times 3^4\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 54145080

約数和(自身を除く): 35281152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 258, 324, 344, 387, 516, 648, 677, 774, 1032, 1161, 1354, 1548, 2031, 2322, 2708, 3096, 3483, 4062, 4644, 5416, 6093, 6966, 8124, 9288, 12186, 13932, 16248, 18279, 24372, 27864, 29111, 36558, 48744, 54837, 58222, 73116, 87333, 109674, 116444, 146232, 174666, 219348, 232888, 261999, 349332, 438696, 523998, 698664, 785997, 1047996, 1571994, 2095992, 2357991, 3143988, 4715982, 6287976, 9431964, 18863928]

約数ペア:

[(1, 18863928), (2, 9431964), (3, 6287976), (4, 4715982), (6, 3143988), (8, 2357991), (9, 2095992), (12, 1571994), (18, 1047996), (24, 785997), (27, 698664), (36, 523998), (43, 438696), (54, 349332), (72, 261999), (81, 232888), (86, 219348), (108, 174666), (129, 146232), (162, 116444), (172, 109674), (216, 87333), (258, 73116), (324, 58222), (344, 54837), (387, 48744), (516, 36558), (648, 29111), (677, 27864), (774, 24372), (1032, 18279), (1161, 16248), (1354, 13932), (1548, 12186), (2031, 9288), (2322, 8124), (2708, 6966), (3096, 6093), (3483, 5416), (4062, 4644)]