18349136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4643}}^1$

素因数の和:4683

約数の個数: 40

約数和(自身を含む): 40309920

約数和(自身を除く): 21960784

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4643, 9286, 18572, 37144, 60359, 74288, 88217, 120718, 176434, 241436, 352868, 482872, 705736, 965744, 1146821, 1411472, 2293642, 4587284, 9174568, 18349136]

約数ペア:

[(1, 18349136), (2, 9174568), (4, 4587284), (8, 2293642), (13, 1411472), (16, 1146821), (19, 965744), (26, 705736), (38, 482872), (52, 352868), (76, 241436), (104, 176434), (152, 120718), (208, 88217), (247, 74288), (304, 60359), (494, 37144), (988, 18572), (1976, 9286), (3952, 4643)]