19608680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5387}}^1$

素因数の和:5418

約数の個数: 64

約数和(自身を含む): 54311040

約数和(自身を除く): 34702360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5387, 10774, 21548, 26935, 37709, 43096, 53870, 70031, 75418, 107740, 140062, 150836, 188545, 215480, 280124, 301672, 350155, 377090, 490217, 560248, 700310, 754180, 980434, 1400620, 1508360, 1960868, 2451085, 2801240, 3921736, 4902170, 9804340, 19608680]

約数ペア:

[(1, 19608680), (2, 9804340), (4, 4902170), (5, 3921736), (7, 2801240), (8, 2451085), (10, 1960868), (13, 1508360), (14, 1400620), (20, 980434), (26, 754180), (28, 700310), (35, 560248), (40, 490217), (52, 377090), (56, 350155), (65, 301672), (70, 280124), (91, 215480), (104, 188545), (130, 150836), (140, 140062), (182, 107740), (260, 75418), (280, 70031), (364, 53870), (455, 43096), (520, 37709), (728, 26935), (910, 21548), (1820, 10774), (3640, 5387)]