18219816

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 52736640

約数和(自身を除く): 34516824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 162, 186, 216, 248, 279, 324, 372, 558, 648, 744, 837, 907, 1116, 1674, 1814, 2232, 2511, 2721, 3348, 3628, 5022, 5442, 6696, 7256, 8163, 10044, 10884, 16326, 20088, 21768, 24489, 28117, 32652, 48978, 56234, 65304, 73467, 84351, 97956, 112468, 146934, 168702, 195912, 224936, 253053, 293868, 337404, 506106, 587736, 674808, 759159, 1012212, 1518318, 2024424, 2277477, 3036636, 4554954, 6073272, 9109908, 18219816]

約数ペア:

[(1, 18219816), (2, 9109908), (3, 6073272), (4, 4554954), (6, 3036636), (8, 2277477), (9, 2024424), (12, 1518318), (18, 1012212), (24, 759159), (27, 674808), (31, 587736), (36, 506106), (54, 337404), (62, 293868), (72, 253053), (81, 224936), (93, 195912), (108, 168702), (124, 146934), (162, 112468), (186, 97956), (216, 84351), (248, 73467), (279, 65304), (324, 56234), (372, 48978), (558, 32652), (648, 28117), (744, 24489), (837, 21768), (907, 20088), (1116, 16326), (1674, 10884), (1814, 10044), (2232, 8163), (2511, 7256), (2721, 6696), (3348, 5442), (3628, 5022)]