1806996860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{17923}}^1$

素因数の和:18074

約数の個数: 36

約数和(自身を含む): 3849107304

約数和(自身を除く): 2042110444

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5041, 10082, 17923, 20164, 25205, 35846, 50410, 71692, 89615, 100820, 179230, 358460, 1272533, 2545066, 5090132, 6362665, 12725330, 25450660, 90349843, 180699686, 361399372, 451749215, 903498430, 1806996860]

約数ペア:

[(1, 1806996860), (2, 903498430), (4, 451749215), (5, 361399372), (10, 180699686), (20, 90349843), (71, 25450660), (142, 12725330), (284, 6362665), (355, 5090132), (710, 2545066), (1420, 1272533), (5041, 358460), (10082, 179230), (17923, 100820), (20164, 89615), (25205, 71692), (35846, 50410)]