19462900

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1019}}^1$

素因数の和:1224

約数の個数: 36

約数和(自身を含む): 42497280

約数和(自身を除く): 23034380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1019, 1910, 2038, 3820, 4076, 4775, 5095, 9550, 10190, 19100, 20380, 25475, 50950, 101900, 194629, 389258, 778516, 973145, 1946290, 3892580, 4865725, 9731450, 19462900]

約数ペア:

[(1, 19462900), (2, 9731450), (4, 4865725), (5, 3892580), (10, 1946290), (20, 973145), (25, 778516), (50, 389258), (100, 194629), (191, 101900), (382, 50950), (764, 25475), (955, 20380), (1019, 19100), (1910, 10190), (2038, 9550), (3820, 5095), (4076, 4775)]