19103524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 39029760

約数和(自身を除く): 19926236

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 86, 92, 172, 253, 439, 473, 506, 878, 946, 989, 1012, 1756, 1892, 1978, 3956, 4829, 9658, 10097, 10879, 18877, 19316, 20194, 21758, 37754, 40388, 43516, 75508, 111067, 207647, 222134, 415294, 434171, 444268, 830588, 868342, 1736684, 4775881, 9551762, 19103524]

約数ペア:

[(1, 19103524), (2, 9551762), (4, 4775881), (11, 1736684), (22, 868342), (23, 830588), (43, 444268), (44, 434171), (46, 415294), (86, 222134), (92, 207647), (172, 111067), (253, 75508), (439, 43516), (473, 40388), (506, 37754), (878, 21758), (946, 20194), (989, 19316), (1012, 18877), (1756, 10879), (1892, 10097), (1978, 9658), (3956, 4829)]