18621320

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3083}}^1$

素因数の和:3245

約数の個数: 32

約数和(自身を含む): 42189120

約数和(自身を除く): 23567800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3083, 6040, 6166, 12332, 15415, 24664, 30830, 61660, 123320, 465533, 931066, 1862132, 2327665, 3724264, 4655330, 9310660, 18621320]

約数ペア:

[(1, 18621320), (2, 9310660), (4, 4655330), (5, 3724264), (8, 2327665), (10, 1862132), (20, 931066), (40, 465533), (151, 123320), (302, 61660), (604, 30830), (755, 24664), (1208, 15415), (1510, 12332), (3020, 6166), (3083, 6040)]