1645438

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 24

約数和(自身を含む): 2715768

約数和(自身を除く): 1070330

約数列:

[1, 2, 19, 38, 43, 53, 86, 106, 361, 722, 817, 1007, 1634, 2014, 2279, 4558, 15523, 19133, 31046, 38266, 43301, 86602, 822719, 1645438]

約数ペア:

[(1, 1645438), (2, 822719), (19, 86602), (38, 43301), (43, 38266), (53, 31046), (86, 19133), (106, 15523), (361, 4558), (722, 2279), (817, 2014), (1007, 1634)]