18428976

素因数分解:

$2^4\times 3^2\times {\mathrm{127979}}^1$

素因数の和:127993

約数の個数: 30

約数和(自身を含む): 51575940

約数和(自身を除く): 33146964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 127979, 255958, 383937, 511916, 767874, 1023832, 1151811, 1535748, 2047664, 2303622, 3071496, 4607244, 6142992, 9214488, 18428976]

約数ペア:

[(1, 18428976), (2, 9214488), (3, 6142992), (4, 4607244), (6, 3071496), (8, 2303622), (9, 2047664), (12, 1535748), (16, 1151811), (18, 1023832), (24, 767874), (36, 511916), (48, 383937), (72, 255958), (144, 127979)]