19131996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4229}}^1$

素因数の和:4278

約数の個数: 48

約数和(自身を含む): 49744800

約数和(自身を除く): 30612804

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4229, 4524, 8458, 12687, 16916, 25374, 50748, 54977, 109954, 122641, 164931, 219908, 245282, 329862, 367923, 490564, 659724, 735846, 1471692, 1594333, 3188666, 4782999, 6377332, 9565998, 19131996]

約数ペア:

[(1, 19131996), (2, 9565998), (3, 6377332), (4, 4782999), (6, 3188666), (12, 1594333), (13, 1471692), (26, 735846), (29, 659724), (39, 490564), (52, 367923), (58, 329862), (78, 245282), (87, 219908), (116, 164931), (156, 122641), (174, 109954), (348, 54977), (377, 50748), (754, 25374), (1131, 16916), (1508, 12687), (2262, 8458), (4229, 4524)]