18536910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 51397632

約数和(自身を除く): 32860722

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 103, 105, 206, 210, 309, 515, 618, 721, 857, 1030, 1442, 1545, 1714, 2163, 2571, 3090, 3605, 4285, 4326, 5142, 5999, 7210, 8570, 10815, 11998, 12855, 17997, 21630, 25710, 29995, 35994, 59990, 88271, 89985, 176542, 179970, 264813, 441355, 529626, 617897, 882710, 1235794, 1324065, 1853691, 2648130, 3089485, 3707382, 6178970, 9268455, 18536910]

約数ペア:

[(1, 18536910), (2, 9268455), (3, 6178970), (5, 3707382), (6, 3089485), (7, 2648130), (10, 1853691), (14, 1324065), (15, 1235794), (21, 882710), (30, 617897), (35, 529626), (42, 441355), (70, 264813), (103, 179970), (105, 176542), (206, 89985), (210, 88271), (309, 59990), (515, 35994), (618, 29995), (721, 25710), (857, 21630), (1030, 17997), (1442, 12855), (1545, 11998), (1714, 10815), (2163, 8570), (2571, 7210), (3090, 5999), (3605, 5142), (4285, 4326)]