18149121328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4592389}}^1$

素因数の和:4592429

約数の個数: 40

約数和(自身を含む): 39861945200

約数和(自身を除く): 21712823872

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4592389, 9184778, 18369556, 36739112, 59701057, 73478224, 87255391, 119402114, 174510782, 238804228, 349021564, 477608456, 698043128, 955216912, 1134320083, 1396086256, 2268640166, 4537280332, 9074560664, 18149121328]

約数ペア:

[(1, 18149121328), (2, 9074560664), (4, 4537280332), (8, 2268640166), (13, 1396086256), (16, 1134320083), (19, 955216912), (26, 698043128), (38, 477608456), (52, 349021564), (76, 238804228), (104, 174510782), (152, 119402114), (208, 87255391), (247, 73478224), (304, 59701057), (494, 36739112), (988, 18369556), (1976, 9184778), (3952, 4592389)]