19674380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2417}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 46309536

約数和(自身を除く): 26635156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 2417, 4070, 4834, 8140, 9668, 12085, 24170, 26587, 48340, 53174, 89429, 106348, 132935, 178858, 265870, 357716, 447145, 531740, 894290, 983719, 1788580, 1967438, 3934876, 4918595, 9837190, 19674380]

約数ペア:

[(1, 19674380), (2, 9837190), (4, 4918595), (5, 3934876), (10, 1967438), (11, 1788580), (20, 983719), (22, 894290), (37, 531740), (44, 447145), (55, 357716), (74, 265870), (110, 178858), (148, 132935), (185, 106348), (220, 89429), (370, 53174), (407, 48340), (740, 26587), (814, 24170), (1628, 12085), (2035, 9668), (2417, 8140), (4070, 4834)]