17681988

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 42872256

約数和(自身を除く): 25190268

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 83, 123, 164, 166, 246, 249, 332, 433, 492, 498, 866, 996, 1299, 1732, 2598, 3403, 5196, 6806, 10209, 13612, 17753, 20418, 35506, 35939, 40836, 53259, 71012, 71878, 106518, 107817, 143756, 213036, 215634, 431268, 1473499, 2946998, 4420497, 5893996, 8840994, 17681988]

約数ペア:

[(1, 17681988), (2, 8840994), (3, 5893996), (4, 4420497), (6, 2946998), (12, 1473499), (41, 431268), (82, 215634), (83, 213036), (123, 143756), (164, 107817), (166, 106518), (246, 71878), (249, 71012), (332, 53259), (433, 40836), (492, 35939), (498, 35506), (866, 20418), (996, 17753), (1299, 13612), (1732, 10209), (2598, 6806), (3403, 5196)]