19693905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 42439680

約数和(自身を除く): 22745775

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 59, 77, 85, 105, 119, 165, 177, 187, 231, 255, 289, 295, 357, 385, 413, 561, 595, 649, 867, 885, 935, 1003, 1155, 1239, 1309, 1445, 1785, 1947, 2023, 2065, 2805, 3009, 3179, 3245, 3927, 4335, 4543, 5015, 6069, 6195, 6545, 7021, 9537, 9735, 10115, 11033, 13629, 15045, 15895, 17051, 19635, 21063, 22253, 22715, 30345, 33099, 35105, 47685, 51153, 55165, 66759, 68145, 77231, 85255, 105315, 111265, 119357, 165495, 187561, 231693, 255765, 333795, 358071, 386155, 562683, 596785, 937805, 1158465, 1312927, 1790355, 2813415, 3938781, 6564635, 19693905]

約数ペア:

[(1, 19693905), (3, 6564635), (5, 3938781), (7, 2813415), (11, 1790355), (15, 1312927), (17, 1158465), (21, 937805), (33, 596785), (35, 562683), (51, 386155), (55, 358071), (59, 333795), (77, 255765), (85, 231693), (105, 187561), (119, 165495), (165, 119357), (177, 111265), (187, 105315), (231, 85255), (255, 77231), (289, 68145), (295, 66759), (357, 55165), (385, 51153), (413, 47685), (561, 35105), (595, 33099), (649, 30345), (867, 22715), (885, 22253), (935, 21063), (1003, 19635), (1155, 17051), (1239, 15895), (1309, 15045), (1445, 13629), (1785, 11033), (1947, 10115), (2023, 9735), (2065, 9537), (2805, 7021), (3009, 6545), (3179, 6195), (3245, 6069), (3927, 5015), (4335, 4543)]