19739205

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6547}}^1$

素因数の和:6625

約数の個数: 24

約数和(自身を含む): 34730592

約数和(自身を除く): 14991387

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6547, 19641, 32735, 58923, 98205, 294615, 438649, 1315947, 2193245, 3947841, 6579735, 19739205]

約数ペア:

[(1, 19739205), (3, 6579735), (5, 3947841), (9, 2193245), (15, 1315947), (45, 438649), (67, 294615), (201, 98205), (335, 58923), (603, 32735), (1005, 19641), (3015, 6547)]