18852540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44887}}^1$

素因数の和:44906

約数の個数: 48

約数和(自身を含む): 60329472

約数和(自身を除く): 41476932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44887, 89774, 134661, 179548, 224435, 269322, 314209, 448870, 538644, 628418, 673305, 897740, 942627, 1256836, 1346610, 1571045, 1885254, 2693220, 3142090, 3770508, 4713135, 6284180, 9426270, 18852540]

約数ペア:

[(1, 18852540), (2, 9426270), (3, 6284180), (4, 4713135), (5, 3770508), (6, 3142090), (7, 2693220), (10, 1885254), (12, 1571045), (14, 1346610), (15, 1256836), (20, 942627), (21, 897740), (28, 673305), (30, 628418), (35, 538644), (42, 448870), (60, 314209), (70, 269322), (84, 224435), (105, 179548), (140, 134661), (210, 89774), (420, 44887)]