19192887

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4547}}^1$

素因数の和:4627

約数の個数: 24

約数和(自身を含む): 32163456

約数和(自身を除く): 12970569

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4547, 13641, 31829, 40923, 95487, 286461, 304649, 913947, 2132543, 2741841, 6397629, 19192887]

約数ペア:

[(1, 19192887), (3, 6397629), (7, 2741841), (9, 2132543), (21, 913947), (63, 304649), (67, 286461), (201, 95487), (469, 40923), (603, 31829), (1407, 13641), (4221, 4547)]