19695980

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5897}}^1$

素因数の和:6073

約数の個数: 24

約数和(自身を含む): 41616288

約数和(自身を除く): 21920308

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 5897, 11794, 23588, 29485, 58970, 117940, 984799, 1969598, 3939196, 4923995, 9847990, 19695980]

約数ペア:

[(1, 19695980), (2, 9847990), (4, 4923995), (5, 3939196), (10, 1969598), (20, 984799), (167, 117940), (334, 58970), (668, 29485), (835, 23588), (1670, 11794), (3340, 5897)]