19666668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{911}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 52706304

約数和(自身を除く): 33039636

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 771, 911, 1028, 1542, 1799, 1822, 2733, 3084, 3598, 3644, 5397, 5466, 6377, 7196, 10794, 10932, 12754, 19131, 21588, 25508, 38262, 76524, 234127, 468254, 702381, 936508, 1404762, 1638889, 2809524, 3277778, 4916667, 6555556, 9833334, 19666668]

約数ペア:

[(1, 19666668), (2, 9833334), (3, 6555556), (4, 4916667), (6, 3277778), (7, 2809524), (12, 1638889), (14, 1404762), (21, 936508), (28, 702381), (42, 468254), (84, 234127), (257, 76524), (514, 38262), (771, 25508), (911, 21588), (1028, 19131), (1542, 12754), (1799, 10932), (1822, 10794), (2733, 7196), (3084, 6377), (3598, 5466), (3644, 5397)]