19971180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110951}}^1$

素因数の和:110966

約数の個数: 36

約数和(自身を含む): 60579792

約数和(自身を除く): 40608612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110951, 221902, 332853, 443804, 554755, 665706, 998559, 1109510, 1331412, 1664265, 1997118, 2219020, 3328530, 3994236, 4992795, 6657060, 9985590, 19971180]

約数ペア:

[(1, 19971180), (2, 9985590), (3, 6657060), (4, 4992795), (5, 3994236), (6, 3328530), (9, 2219020), (10, 1997118), (12, 1664265), (15, 1331412), (18, 1109510), (20, 998559), (30, 665706), (36, 554755), (45, 443804), (60, 332853), (90, 221902), (180, 110951)]