18977340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1499}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 53424000

約数和(自身を除く): 34446660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 1499, 2110, 2532, 2998, 3165, 4220, 4497, 5996, 6330, 7495, 8994, 12660, 14990, 17988, 22485, 29980, 44970, 89940, 316289, 632578, 948867, 1265156, 1581445, 1897734, 3162890, 3795468, 4744335, 6325780, 9488670, 18977340]

約数ペア:

[(1, 18977340), (2, 9488670), (3, 6325780), (4, 4744335), (5, 3795468), (6, 3162890), (10, 1897734), (12, 1581445), (15, 1265156), (20, 948867), (30, 632578), (60, 316289), (211, 89940), (422, 44970), (633, 29980), (844, 22485), (1055, 17988), (1266, 14990), (1499, 12660), (2110, 8994), (2532, 7495), (2998, 6330), (3165, 5996), (4220, 4497)]