19017220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55933}}^1$

素因数の和:55959

約数の個数: 24

約数和(自身を含む): 42286104

約数和(自身を除く): 23268884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55933, 111866, 223732, 279665, 559330, 950861, 1118660, 1901722, 3803444, 4754305, 9508610, 19017220]

約数ペア:

[(1, 19017220), (2, 9508610), (4, 4754305), (5, 3803444), (10, 1901722), (17, 1118660), (20, 950861), (34, 559330), (68, 279665), (85, 223732), (170, 111866), (340, 55933)]