19670805

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{811}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 43321824

約数和(自身を除く): 23651019

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 49, 55, 63, 77, 99, 105, 147, 165, 231, 245, 315, 385, 441, 495, 539, 693, 735, 811, 1155, 1617, 2205, 2433, 2695, 3465, 4055, 4851, 5677, 7299, 8085, 8921, 12165, 17031, 24255, 26763, 28385, 36495, 39739, 44605, 51093, 62447, 80289, 85155, 119217, 133815, 187341, 198695, 255465, 312235, 357651, 401445, 437129, 562023, 596085, 936705, 1311387, 1788255, 2185645, 2810115, 3934161, 6556935, 19670805]

約数ペア:

[(1, 19670805), (3, 6556935), (5, 3934161), (7, 2810115), (9, 2185645), (11, 1788255), (15, 1311387), (21, 936705), (33, 596085), (35, 562023), (45, 437129), (49, 401445), (55, 357651), (63, 312235), (77, 255465), (99, 198695), (105, 187341), (147, 133815), (165, 119217), (231, 85155), (245, 80289), (315, 62447), (385, 51093), (441, 44605), (495, 39739), (539, 36495), (693, 28385), (735, 26763), (811, 24255), (1155, 17031), (1617, 12165), (2205, 8921), (2433, 8085), (2695, 7299), (3465, 5677), (4055, 4851)]