18648140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133201}}^1$

素因数の和:133217

約数の個数: 24

約数和(自身を含む): 44755872

約数和(自身を除く): 26107732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133201, 266402, 532804, 666005, 932407, 1332010, 1864814, 2664020, 3729628, 4662035, 9324070, 18648140]

約数ペア:

[(1, 18648140), (2, 9324070), (4, 4662035), (5, 3729628), (7, 2664020), (10, 1864814), (14, 1332010), (20, 932407), (28, 666005), (35, 532804), (70, 266402), (140, 133201)]