19689320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3701}}^1$

素因数の和:3738

約数の個数: 64

約数和(自身を含む): 53308800

約数和(自身を除く): 33619480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3701, 5320, 7402, 14804, 18505, 25907, 29608, 37010, 51814, 70319, 74020, 103628, 129535, 140638, 148040, 207256, 259070, 281276, 351595, 492233, 518140, 562552, 703190, 984466, 1036280, 1406380, 1968932, 2461165, 2812760, 3937864, 4922330, 9844660, 19689320]

約数ペア:

[(1, 19689320), (2, 9844660), (4, 4922330), (5, 3937864), (7, 2812760), (8, 2461165), (10, 1968932), (14, 1406380), (19, 1036280), (20, 984466), (28, 703190), (35, 562552), (38, 518140), (40, 492233), (56, 351595), (70, 281276), (76, 259070), (95, 207256), (133, 148040), (140, 140638), (152, 129535), (190, 103628), (266, 74020), (280, 70319), (380, 51814), (532, 37010), (665, 29608), (760, 25907), (1064, 18505), (1330, 14804), (2660, 7402), (3701, 5320)]