18236452

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:592

約数の個数: 36

約数和(自身を含む): 35278740

約数和(自身を除く): 17042288

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 509, 676, 689, 1018, 1378, 2036, 2756, 6617, 8957, 13234, 17914, 26468, 26977, 35828, 53954, 86021, 107908, 172042, 344084, 350701, 701402, 1402804, 4559113, 9118226, 18236452]

約数ペア:

[(1, 18236452), (2, 9118226), (4, 4559113), (13, 1402804), (26, 701402), (52, 350701), (53, 344084), (106, 172042), (169, 107908), (212, 86021), (338, 53954), (509, 35828), (676, 26977), (689, 26468), (1018, 17914), (1378, 13234), (2036, 8957), (2756, 6617)]