19398700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11411}}^1$

素因数の和:11442

約数の個数: 36

約数和(自身を含む): 44575272

約数和(自身を除く): 25176572

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11411, 22822, 45644, 57055, 114110, 193987, 228220, 285275, 387974, 570550, 775948, 969935, 1141100, 1939870, 3879740, 4849675, 9699350, 19398700]

約数ペア:

[(1, 19398700), (2, 9699350), (4, 4849675), (5, 3879740), (10, 1939870), (17, 1141100), (20, 969935), (25, 775948), (34, 570550), (50, 387974), (68, 285275), (85, 228220), (100, 193987), (170, 114110), (340, 57055), (425, 45644), (850, 22822), (1700, 11411)]