19718114

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 33196800

約数和(自身を除く): 13478686

約数列:

[1, 2, 13, 26, 37, 74, 103, 199, 206, 398, 481, 962, 1339, 2587, 2678, 3811, 5174, 7363, 7622, 14726, 20497, 40994, 49543, 95719, 99086, 191438, 266461, 532922, 758389, 1516778, 9859057, 19718114]

約数ペア:

[(1, 19718114), (2, 9859057), (13, 1516778), (26, 758389), (37, 532922), (74, 266461), (103, 191438), (199, 99086), (206, 95719), (398, 49543), (481, 40994), (962, 20497), (1339, 14726), (2587, 7622), (2678, 7363), (3811, 5174)]