16660206

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 37864320

約数和(自身を除く): 21204114

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 73, 93, 146, 186, 219, 279, 409, 438, 558, 657, 818, 1227, 1314, 2263, 2454, 3681, 4526, 6789, 7362, 12679, 13578, 20367, 25358, 29857, 38037, 40734, 59714, 76074, 89571, 114111, 179142, 228222, 268713, 537426, 925567, 1851134, 2776701, 5553402, 8330103, 16660206]

約数ペア:

[(1, 16660206), (2, 8330103), (3, 5553402), (6, 2776701), (9, 1851134), (18, 925567), (31, 537426), (62, 268713), (73, 228222), (93, 179142), (146, 114111), (186, 89571), (219, 76074), (279, 59714), (409, 40734), (438, 38037), (558, 29857), (657, 25358), (818, 20367), (1227, 13578), (1314, 12679), (2263, 7362), (2454, 6789), (3681, 4526)]