19946316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4409}}^1$

素因数の和:4458

約数の個数: 48

約数和(自身を含む): 51861600

約数和(自身を除く): 31915284

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, 4409, 4524, 8818, 13227, 17636, 26454, 52908, 57317, 114634, 127861, 171951, 229268, 255722, 343902, 383583, 511444, 687804, 767166, 1534332, 1662193, 3324386, 4986579, 6648772, 9973158, 19946316]

約数ペア:

[(1, 19946316), (2, 9973158), (3, 6648772), (4, 4986579), (6, 3324386), (12, 1662193), (13, 1534332), (26, 767166), (29, 687804), (39, 511444), (52, 383583), (58, 343902), (78, 255722), (87, 229268), (116, 171951), (156, 127861), (174, 114634), (348, 57317), (377, 52908), (754, 26454), (1131, 17636), (1508, 13227), (2262, 8818), (4409, 4524)]