20193586156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1\times {\mathrm{2179}}^1$

素因数の和:4262

約数の個数: 48

約数和(自身を含む): 37844800000

約数和(自身を除く): 17651213844

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 1999, 2179, 2318, 3998, 4358, 4636, 7996, 8716, 37981, 41401, 75962, 82802, 121939, 132919, 151924, 165604, 243878, 265838, 487756, 531676, 2316841, 2525461, 4355821, 4633682, 5050922, 8711642, 9267364, 10101844, 17423284, 82760599, 165521198, 265705081, 331042396, 531410162, 1062820324, 5048396539, 10096793078, 20193586156]

約数ペア:

[(1, 20193586156), (2, 10096793078), (4, 5048396539), (19, 1062820324), (38, 531410162), (61, 331042396), (76, 265705081), (122, 165521198), (244, 82760599), (1159, 17423284), (1999, 10101844), (2179, 9267364), (2318, 8711642), (3998, 5050922), (4358, 4633682), (4636, 4355821), (7996, 2525461), (8716, 2316841), (37981, 531676), (41401, 487756), (75962, 265838), (82802, 243878), (121939, 165604), (132919, 151924)]