18419784

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{20743}}^1$

素因数の和:20789

約数の個数: 32

約数和(自身を含む): 47296320

約数和(自身を除く): 28876536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 20743, 41486, 62229, 82972, 124458, 165944, 248916, 497832, 767491, 1534982, 2302473, 3069964, 4604946, 6139928, 9209892, 18419784]

約数ペア:

[(1, 18419784), (2, 9209892), (3, 6139928), (4, 4604946), (6, 3069964), (8, 2302473), (12, 1534982), (24, 767491), (37, 497832), (74, 248916), (111, 165944), (148, 124458), (222, 82972), (296, 62229), (444, 41486), (888, 20743)]