19564328

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1770

約数の個数: 48

約数和(自身を含む): 44169300

約数和(自身を除く): 24604972

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 392, 406, 812, 1421, 1624, 1721, 2842, 3442, 5684, 6884, 11368, 12047, 13768, 24094, 48188, 49909, 84329, 96376, 99818, 168658, 199636, 337316, 349363, 399272, 674632, 698726, 1397452, 2445541, 2794904, 4891082, 9782164, 19564328]

約数ペア:

[(1, 19564328), (2, 9782164), (4, 4891082), (7, 2794904), (8, 2445541), (14, 1397452), (28, 698726), (29, 674632), (49, 399272), (56, 349363), (58, 337316), (98, 199636), (116, 168658), (196, 99818), (203, 96376), (232, 84329), (392, 49909), (406, 48188), (812, 24094), (1421, 13768), (1624, 12047), (1721, 11368), (2842, 6884), (3442, 5684)]