19793457

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1487}}^1$

素因数の和:1542

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 12347343

約数列:

[1, 3, 9, 17, 27, 29, 51, 87, 153, 261, 459, 493, 783, 1479, 1487, 4437, 4461, 13311, 13383, 25279, 40149, 43123, 75837, 129369, 227511, 388107, 682533, 733091, 1164321, 2199273, 6597819, 19793457]

約数ペア:

[(1, 19793457), (3, 6597819), (9, 2199273), (17, 1164321), (27, 733091), (29, 682533), (51, 388107), (87, 227511), (153, 129369), (261, 75837), (459, 43123), (493, 40149), (783, 25279), (1479, 13383), (1487, 13311), (4437, 4461)]