18628427020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19008599}}^1$

素因数の和:19008622

約数の個数: 36

約数和(自身を含む): 45506588400

約数和(自身を除く): 26878161380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19008599, 38017198, 76034396, 95042995, 133060193, 190085990, 266120386, 380171980, 532240772, 665300965, 931421351, 1330601930, 1862842702, 2661203860, 3725685404, 4657106755, 9314213510, 18628427020]

約数ペア:

[(1, 18628427020), (2, 9314213510), (4, 4657106755), (5, 3725685404), (7, 2661203860), (10, 1862842702), (14, 1330601930), (20, 931421351), (28, 665300965), (35, 532240772), (49, 380171980), (70, 266120386), (98, 190085990), (140, 133060193), (196, 95042995), (245, 76034396), (490, 38017198), (980, 19008599)]