19928220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:935

約数の個数: 96

約数和(自身を含む): 62233920

約数和(自身を除く): 42305700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 435, 580, 754, 780, 870, 881, 1131, 1508, 1740, 1762, 1885, 2262, 2643, 3524, 3770, 4405, 4524, 5286, 5655, 7540, 8810, 10572, 11310, 11453, 13215, 17620, 22620, 22906, 25549, 26430, 34359, 45812, 51098, 52860, 57265, 68718, 76647, 102196, 114530, 127745, 137436, 153294, 171795, 229060, 255490, 306588, 332137, 343590, 383235, 510980, 664274, 687180, 766470, 996411, 1328548, 1532940, 1660685, 1992822, 3321370, 3985644, 4982055, 6642740, 9964110, 19928220]

約数ペア:

[(1, 19928220), (2, 9964110), (3, 6642740), (4, 4982055), (5, 3985644), (6, 3321370), (10, 1992822), (12, 1660685), (13, 1532940), (15, 1328548), (20, 996411), (26, 766470), (29, 687180), (30, 664274), (39, 510980), (52, 383235), (58, 343590), (60, 332137), (65, 306588), (78, 255490), (87, 229060), (116, 171795), (130, 153294), (145, 137436), (156, 127745), (174, 114530), (195, 102196), (260, 76647), (290, 68718), (348, 57265), (377, 52860), (390, 51098), (435, 45812), (580, 34359), (754, 26430), (780, 25549), (870, 22906), (881, 22620), (1131, 17620), (1508, 13215), (1740, 11453), (1762, 11310), (1885, 10572), (2262, 8810), (2643, 7540), (3524, 5655), (3770, 5286), (4405, 4524)]