18744216

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 49230720

約数和(自身を除く): 30486504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 328, 344, 443, 492, 516, 886, 984, 1032, 1329, 1763, 1772, 2658, 3526, 3544, 5289, 5316, 7052, 10578, 10632, 14104, 18163, 19049, 21156, 36326, 38098, 42312, 54489, 57147, 72652, 76196, 108978, 114294, 145304, 152392, 217956, 228588, 435912, 457176, 781009, 1562018, 2343027, 3124036, 4686054, 6248072, 9372108, 18744216]

約数ペア:

[(1, 18744216), (2, 9372108), (3, 6248072), (4, 4686054), (6, 3124036), (8, 2343027), (12, 1562018), (24, 781009), (41, 457176), (43, 435912), (82, 228588), (86, 217956), (123, 152392), (129, 145304), (164, 114294), (172, 108978), (246, 76196), (258, 72652), (328, 57147), (344, 54489), (443, 42312), (492, 38098), (516, 36326), (886, 21156), (984, 19049), (1032, 18163), (1329, 14104), (1763, 10632), (1772, 10578), (2658, 7052), (3526, 5316), (3544, 5289)]