18763216

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:859

約数の個数: 40

約数和(自身を含む): 38551104

約数和(自身を除く): 19787888

約数列:

[1, 2, 4, 8, 16, 23, 46, 67, 92, 134, 184, 268, 368, 536, 761, 1072, 1522, 1541, 3044, 3082, 6088, 6164, 12176, 12328, 17503, 24656, 35006, 50987, 70012, 101974, 140024, 203948, 280048, 407896, 815792, 1172701, 2345402, 4690804, 9381608, 18763216]

約数ペア:

[(1, 18763216), (2, 9381608), (4, 4690804), (8, 2345402), (16, 1172701), (23, 815792), (46, 407896), (67, 280048), (92, 203948), (134, 140024), (184, 101974), (268, 70012), (368, 50987), (536, 35006), (761, 24656), (1072, 17503), (1522, 12328), (1541, 12176), (3044, 6164), (3082, 6088)]