19755220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18637}}^1$

素因数の和:18699

約数の個数: 24

約数和(自身を含む): 42270984

約数和(自身を除く): 22515764

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 18637, 37274, 74548, 93185, 186370, 372740, 987761, 1975522, 3951044, 4938805, 9877610, 19755220]

約数ペア:

[(1, 19755220), (2, 9877610), (4, 4938805), (5, 3951044), (10, 1975522), (20, 987761), (53, 372740), (106, 186370), (212, 93185), (265, 74548), (530, 37274), (1060, 18637)]