19428870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1319}}^1$

素因数の和:1820

約数の個数: 32

約数和(自身を含む): 46759680

約数和(自身を除く): 27330810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 491, 982, 1319, 1473, 2455, 2638, 2946, 3957, 4910, 6595, 7365, 7914, 13190, 14730, 19785, 39570, 647629, 1295258, 1942887, 3238145, 3885774, 6476290, 9714435, 19428870]

約数ペア:

[(1, 19428870), (2, 9714435), (3, 6476290), (5, 3885774), (6, 3238145), (10, 1942887), (15, 1295258), (30, 647629), (491, 39570), (982, 19785), (1319, 14730), (1473, 13190), (2455, 7914), (2638, 7365), (2946, 6595), (3957, 4910)]