19682270

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 36324288

約数和(自身を除く): 16642018

約数列:

[1, 2, 5, 10, 97, 103, 194, 197, 206, 394, 485, 515, 970, 985, 1030, 1970, 9991, 19109, 19982, 20291, 38218, 40582, 49955, 95545, 99910, 101455, 191090, 202910, 1968227, 3936454, 9841135, 19682270]

約数ペア:

[(1, 19682270), (2, 9841135), (5, 3936454), (10, 1968227), (97, 202910), (103, 191090), (194, 101455), (197, 99910), (206, 95545), (394, 49955), (485, 40582), (515, 38218), (970, 20291), (985, 19982), (1030, 19109), (1970, 9991)]