19573960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1390

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 31747640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1319, 1484, 1855, 2120, 2638, 2968, 3710, 5276, 6595, 7420, 9233, 10552, 13190, 14840, 18466, 26380, 36932, 46165, 52760, 69907, 73864, 92330, 139814, 184660, 279628, 349535, 369320, 489349, 559256, 699070, 978698, 1398140, 1957396, 2446745, 2796280, 3914792, 4893490, 9786980, 19573960]

約数ペア:

[(1, 19573960), (2, 9786980), (4, 4893490), (5, 3914792), (7, 2796280), (8, 2446745), (10, 1957396), (14, 1398140), (20, 978698), (28, 699070), (35, 559256), (40, 489349), (53, 369320), (56, 349535), (70, 279628), (106, 184660), (140, 139814), (212, 92330), (265, 73864), (280, 69907), (371, 52760), (424, 46165), (530, 36932), (742, 26380), (1060, 18466), (1319, 14840), (1484, 13190), (1855, 10552), (2120, 9233), (2638, 7420), (2968, 6595), (3710, 5276)]