15691742420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{878597}}^1$

素因数の和:878672

約数の個数: 48

約数和(自身を含む): 35425071360

約数和(自身を除く): 19733328940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 8930, 17860, 878597, 1757194, 3514388, 4392985, 8785970, 16693343, 17571940, 33386686, 41294059, 66773372, 82588118, 83466715, 165176236, 166933430, 206470295, 333866860, 412940590, 784587121, 825881180, 1569174242, 3138348484, 3922935605, 7845871210, 15691742420]

約数ペア:

[(1, 15691742420), (2, 7845871210), (4, 3922935605), (5, 3138348484), (10, 1569174242), (19, 825881180), (20, 784587121), (38, 412940590), (47, 333866860), (76, 206470295), (94, 166933430), (95, 165176236), (188, 83466715), (190, 82588118), (235, 66773372), (380, 41294059), (470, 33386686), (893, 17571940), (940, 16693343), (1786, 8785970), (3572, 4392985), (4465, 3514388), (8930, 1757194), (17860, 878597)]