18219801

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 8875239

約数列:

[1, 3, 17, 29, 51, 87, 97, 127, 291, 381, 493, 1479, 1649, 2159, 2813, 3683, 4947, 6477, 8439, 11049, 12319, 36957, 47821, 62611, 143463, 187833, 209423, 357251, 628269, 1071753, 6073267, 18219801]

約数ペア:

[(1, 18219801), (3, 6073267), (17, 1071753), (29, 628269), (51, 357251), (87, 209423), (97, 187833), (127, 143463), (291, 62611), (381, 47821), (493, 36957), (1479, 12319), (1649, 11049), (2159, 8439), (2813, 6477), (3683, 4947)]