18216432

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 56600544

約数和(自身を除く): 38384112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 37, 39, 48, 52, 72, 74, 78, 104, 111, 117, 144, 148, 156, 208, 222, 234, 263, 296, 312, 333, 444, 468, 481, 526, 592, 624, 666, 789, 888, 936, 962, 1052, 1332, 1443, 1578, 1776, 1872, 1924, 2104, 2367, 2664, 2886, 3156, 3419, 3848, 4208, 4329, 4734, 5328, 5772, 6312, 6838, 7696, 8658, 9468, 9731, 10257, 11544, 12624, 13676, 17316, 18936, 19462, 20514, 23088, 27352, 29193, 30771, 34632, 37872, 38924, 41028, 54704, 58386, 61542, 69264, 77848, 82056, 87579, 116772, 123084, 126503, 155696, 164112, 175158, 233544, 246168, 253006, 350316, 379509, 467088, 492336, 506012, 700632, 759018, 1012024, 1138527, 1401264, 1518036, 2024048, 2277054, 3036072, 4554108, 6072144, 9108216, 18216432]

約数ペア:

[(1, 18216432), (2, 9108216), (3, 6072144), (4, 4554108), (6, 3036072), (8, 2277054), (9, 2024048), (12, 1518036), (13, 1401264), (16, 1138527), (18, 1012024), (24, 759018), (26, 700632), (36, 506012), (37, 492336), (39, 467088), (48, 379509), (52, 350316), (72, 253006), (74, 246168), (78, 233544), (104, 175158), (111, 164112), (117, 155696), (144, 126503), (148, 123084), (156, 116772), (208, 87579), (222, 82056), (234, 77848), (263, 69264), (296, 61542), (312, 58386), (333, 54704), (444, 41028), (468, 38924), (481, 37872), (526, 34632), (592, 30771), (624, 29193), (666, 27352), (789, 23088), (888, 20514), (936, 19462), (962, 18936), (1052, 17316), (1332, 13676), (1443, 12624), (1578, 11544), (1776, 10257), (1872, 9731), (1924, 9468), (2104, 8658), (2367, 7696), (2664, 6838), (2886, 6312), (3156, 5772), (3419, 5328), (3848, 4734), (4208, 4329)]