19032237

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:542

約数の個数: 36

約数和(自身を含む): 32366880

約数和(自身を除く): 13334643

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 419, 441, 721, 927, 1257, 2163, 2933, 3771, 5047, 6489, 8799, 15141, 20531, 26397, 43157, 45423, 61593, 129471, 184779, 302099, 388413, 906297, 2114693, 2718891, 6344079, 19032237]

約数ペア:

[(1, 19032237), (3, 6344079), (7, 2718891), (9, 2114693), (21, 906297), (49, 388413), (63, 302099), (103, 184779), (147, 129471), (309, 61593), (419, 45423), (441, 43157), (721, 26397), (927, 20531), (1257, 15141), (2163, 8799), (2933, 6489), (3771, 5047)]