9621980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25321}}^1$

素因数の和:25349

約数の個数: 24

約数和(自身を含む): 21270480

約数和(自身を除く): 11648500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 25321, 50642, 101284, 126605, 253210, 481099, 506420, 962198, 1924396, 2405495, 4810990, 9621980]

約数ペア:

[(1, 9621980), (2, 4810990), (4, 2405495), (5, 1924396), (10, 962198), (19, 506420), (20, 481099), (38, 253210), (76, 126605), (95, 101284), (190, 50642), (380, 25321)]