16731880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3457}}^1$

素因数の和:3490

約数の個数: 48

約数和(自身を含む): 41392260

約数和(自身を除く): 24660380

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, 3457, 4840, 6914, 13828, 17285, 27656, 34570, 38027, 69140, 76054, 138280, 152108, 190135, 304216, 380270, 418297, 760540, 836594, 1521080, 1673188, 2091485, 3346376, 4182970, 8365940, 16731880]

約数ペア:

[(1, 16731880), (2, 8365940), (4, 4182970), (5, 3346376), (8, 2091485), (10, 1673188), (11, 1521080), (20, 836594), (22, 760540), (40, 418297), (44, 380270), (55, 304216), (88, 190135), (110, 152108), (121, 138280), (220, 76054), (242, 69140), (440, 38027), (484, 34570), (605, 27656), (968, 17285), (1210, 13828), (2420, 6914), (3457, 4840)]