19401968

素因数分解:

$2^4\times {\mathrm{373}}^1\times {\mathrm{3251}}^1$

素因数の和:3632

約数の個数: 20

約数和(自身を含む): 37703688

約数和(自身を除く): 18301720

約数列:

[1, 2, 4, 8, 16, 373, 746, 1492, 2984, 3251, 5968, 6502, 13004, 26008, 52016, 1212623, 2425246, 4850492, 9700984, 19401968]

約数ペア:

[(1, 19401968), (2, 9700984), (4, 4850492), (8, 2425246), (16, 1212623), (373, 52016), (746, 26008), (1492, 13004), (2984, 6502), (3251, 5968)]