17942840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23609}}^1$

素因数の和:23639

約数の個数: 32

約数和(自身を含む): 42498000

約数和(自身を除く): 24555160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23609, 47218, 94436, 118045, 188872, 236090, 448571, 472180, 897142, 944360, 1794284, 2242855, 3588568, 4485710, 8971420, 17942840]

約数ペア:

[(1, 17942840), (2, 8971420), (4, 4485710), (5, 3588568), (8, 2242855), (10, 1794284), (19, 944360), (20, 897142), (38, 472180), (40, 448571), (76, 236090), (95, 188872), (152, 118045), (190, 94436), (380, 47218), (760, 23609)]