19562020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51479}}^1$

素因数の和:51507

約数の個数: 24

約数和(自身を含む): 43243200

約数和(自身を除く): 23681180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51479, 102958, 205916, 257395, 514790, 978101, 1029580, 1956202, 3912404, 4890505, 9781010, 19562020]

約数ペア:

[(1, 19562020), (2, 9781010), (4, 4890505), (5, 3912404), (10, 1956202), (19, 1029580), (20, 978101), (38, 514790), (76, 257395), (95, 205916), (190, 102958), (380, 51479)]