19572680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 27083320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 359, 376, 470, 580, 718, 940, 1160, 1363, 1436, 1795, 1880, 2726, 2872, 3590, 5452, 6815, 7180, 10411, 10904, 13630, 14360, 16873, 20822, 27260, 33746, 41644, 52055, 54520, 67492, 83288, 84365, 104110, 134984, 168730, 208220, 337460, 416440, 489317, 674920, 978634, 1957268, 2446585, 3914536, 4893170, 9786340, 19572680]

約数ペア:

[(1, 19572680), (2, 9786340), (4, 4893170), (5, 3914536), (8, 2446585), (10, 1957268), (20, 978634), (29, 674920), (40, 489317), (47, 416440), (58, 337460), (94, 208220), (116, 168730), (145, 134984), (188, 104110), (232, 84365), (235, 83288), (290, 67492), (359, 54520), (376, 52055), (470, 41644), (580, 33746), (718, 27260), (940, 20822), (1160, 16873), (1363, 14360), (1436, 13630), (1795, 10904), (1880, 10411), (2726, 7180), (2872, 6815), (3590, 5452)]