19709150

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{983}}^1$

素因数の和:1396

約数の個数: 24

約数和(自身を含む): 36787824

約数和(自身を除く): 17078674

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 983, 1966, 2005, 4010, 4915, 9830, 10025, 20050, 24575, 49150, 394183, 788366, 1970915, 3941830, 9854575, 19709150]

約数ペア:

[(1, 19709150), (2, 9854575), (5, 3941830), (10, 1970915), (25, 788366), (50, 394183), (401, 49150), (802, 24575), (983, 20050), (1966, 10025), (2005, 9830), (4010, 4915)]