18977688

素因数分解:

$2^3\times 3^2\times {\mathrm{229}}^1\times {\mathrm{1151}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 51667200

約数和(自身を除く): 32689512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 229, 458, 687, 916, 1151, 1374, 1832, 2061, 2302, 2748, 3453, 4122, 4604, 5496, 6906, 8244, 9208, 10359, 13812, 16488, 20718, 27624, 41436, 82872, 263579, 527158, 790737, 1054316, 1581474, 2108632, 2372211, 3162948, 4744422, 6325896, 9488844, 18977688]

約数ペア:

[(1, 18977688), (2, 9488844), (3, 6325896), (4, 4744422), (6, 3162948), (8, 2372211), (9, 2108632), (12, 1581474), (18, 1054316), (24, 790737), (36, 527158), (72, 263579), (229, 82872), (458, 41436), (687, 27624), (916, 20718), (1151, 16488), (1374, 13812), (1832, 10359), (2061, 9208), (2302, 8244), (2748, 6906), (3453, 5496), (4122, 4604)]