18897468

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 46037376

約数和(自身を除く): 27139908

約数列:

[1, 2, 3, 4, 6, 12, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 516, 636, 691, 1382, 2073, 2279, 2764, 4146, 4558, 6837, 8292, 9116, 13674, 27348, 29713, 36623, 59426, 73246, 89139, 109869, 118852, 146492, 178278, 219738, 356556, 439476, 1574789, 3149578, 4724367, 6299156, 9448734, 18897468]

約数ペア:

[(1, 18897468), (2, 9448734), (3, 6299156), (4, 4724367), (6, 3149578), (12, 1574789), (43, 439476), (53, 356556), (86, 219738), (106, 178278), (129, 146492), (159, 118852), (172, 109869), (212, 89139), (258, 73246), (318, 59426), (516, 36623), (636, 29713), (691, 27348), (1382, 13674), (2073, 9116), (2279, 8292), (2764, 6837), (4146, 4558)]