18717745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 24820992

約数和(自身を除く): 6103247

約数列:

[1, 5, 23, 37, 53, 83, 115, 185, 265, 415, 851, 1219, 1909, 1961, 3071, 4255, 4399, 6095, 9545, 9805, 15355, 21995, 45103, 70633, 101177, 162763, 225515, 353165, 505885, 813815, 3743549, 18717745]

約数ペア:

[(1, 18717745), (5, 3743549), (23, 813815), (37, 505885), (53, 353165), (83, 225515), (115, 162763), (185, 101177), (265, 70633), (415, 45103), (851, 21995), (1219, 15355), (1909, 9805), (1961, 9545), (3071, 6095), (4255, 4399)]