19493145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3257}}^1$

素因数の和:3294

約数の個数: 48

約数和(自身を含む): 40659840

約数和(自身を除く): 21166695

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3257, 5985, 9771, 16285, 22799, 29313, 48855, 61883, 68397, 113995, 146565, 185649, 205191, 309415, 341985, 433181, 556947, 928245, 1025955, 1299543, 2165905, 2784735, 3898629, 6497715, 19493145]

約数ペア:

[(1, 19493145), (3, 6497715), (5, 3898629), (7, 2784735), (9, 2165905), (15, 1299543), (19, 1025955), (21, 928245), (35, 556947), (45, 433181), (57, 341985), (63, 309415), (95, 205191), (105, 185649), (133, 146565), (171, 113995), (285, 68397), (315, 61883), (399, 48855), (665, 29313), (855, 22799), (1197, 16285), (1995, 9771), (3257, 5985)]