18629820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^2$

素因数の和:220

約数の個数: 108

約数和(自身を含む): 62289864

約数和(自身を除く): 43660044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 97, 99, 110, 132, 165, 180, 194, 198, 220, 291, 330, 388, 396, 485, 495, 582, 660, 873, 970, 990, 1067, 1164, 1455, 1746, 1940, 1980, 2134, 2910, 3201, 3492, 4268, 4365, 5335, 5820, 6402, 8730, 9409, 9603, 10670, 12804, 16005, 17460, 18818, 19206, 21340, 28227, 32010, 37636, 38412, 47045, 48015, 56454, 64020, 84681, 94090, 96030, 103499, 112908, 141135, 169362, 188180, 192060, 206998, 282270, 310497, 338724, 413996, 423405, 517495, 564540, 620994, 846810, 931491, 1034990, 1241988, 1552485, 1693620, 1862982, 2069980, 3104970, 3725964, 4657455, 6209940, 9314910, 18629820]

約数ペア:

[(1, 18629820), (2, 9314910), (3, 6209940), (4, 4657455), (5, 3725964), (6, 3104970), (9, 2069980), (10, 1862982), (11, 1693620), (12, 1552485), (15, 1241988), (18, 1034990), (20, 931491), (22, 846810), (30, 620994), (33, 564540), (36, 517495), (44, 423405), (45, 413996), (55, 338724), (60, 310497), (66, 282270), (90, 206998), (97, 192060), (99, 188180), (110, 169362), (132, 141135), (165, 112908), (180, 103499), (194, 96030), (198, 94090), (220, 84681), (291, 64020), (330, 56454), (388, 48015), (396, 47045), (485, 38412), (495, 37636), (582, 32010), (660, 28227), (873, 21340), (970, 19206), (990, 18818), (1067, 17460), (1164, 16005), (1455, 12804), (1746, 10670), (1940, 9603), (1980, 9409), (2134, 8730), (2910, 6402), (3201, 5820), (3492, 5335), (4268, 4365)]