18975020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6043}}^1$

素因数の和:6209

約数の個数: 24

約数和(自身を含む): 40107984

約数和(自身を除く): 21132964

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 6043, 12086, 24172, 30215, 60430, 120860, 948751, 1897502, 3795004, 4743755, 9487510, 18975020]

約数ペア:

[(1, 18975020), (2, 9487510), (4, 4743755), (5, 3795004), (10, 1897502), (20, 948751), (157, 120860), (314, 60430), (628, 30215), (785, 24172), (1570, 12086), (3140, 6043)]