19016360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3929}}^1$

素因数の和:3962

約数の個数: 48

約数和(自身を含む): 47042100

約数和(自身を除く): 28025740

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3929, 4840, 7858, 15716, 19645, 31432, 39290, 43219, 78580, 86438, 157160, 172876, 216095, 345752, 432190, 475409, 864380, 950818, 1728760, 1901636, 2377045, 3803272, 4754090, 9508180, 19016360]

約数ペア:

[(1, 19016360), (2, 9508180), (4, 4754090), (5, 3803272), (8, 2377045), (10, 1901636), (11, 1728760), (20, 950818), (22, 864380), (40, 475409), (44, 432190), (55, 345752), (88, 216095), (110, 172876), (121, 157160), (220, 86438), (242, 78580), (440, 43219), (484, 39290), (605, 31432), (968, 19645), (1210, 15716), (2420, 7858), (3929, 4840)]