19194428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 39481344

約数和(自身を除く): 20286916

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 67, 68, 134, 187, 268, 374, 383, 737, 748, 766, 1139, 1474, 1532, 2278, 2948, 4213, 4556, 6511, 8426, 12529, 13022, 16852, 25058, 25661, 26044, 50116, 51322, 71621, 102644, 143242, 282271, 286484, 436237, 564542, 872474, 1129084, 1744948, 4798607, 9597214, 19194428]

約数ペア:

[(1, 19194428), (2, 9597214), (4, 4798607), (11, 1744948), (17, 1129084), (22, 872474), (34, 564542), (44, 436237), (67, 286484), (68, 282271), (134, 143242), (187, 102644), (268, 71621), (374, 51322), (383, 50116), (737, 26044), (748, 25661), (766, 25058), (1139, 16852), (1474, 13022), (1532, 12529), (2278, 8426), (2948, 6511), (4213, 4556)]