19730865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1553}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 39682944

約数和(自身を除く): 19952079

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1553, 1815, 2541, 4235, 4659, 7765, 10871, 12705, 17083, 23295, 32613, 51249, 54355, 85415, 119581, 163065, 187913, 256245, 358743, 563739, 597905, 939565, 1315391, 1793715, 2818695, 3946173, 6576955, 19730865]

約数ペア:

[(1, 19730865), (3, 6576955), (5, 3946173), (7, 2818695), (11, 1793715), (15, 1315391), (21, 939565), (33, 597905), (35, 563739), (55, 358743), (77, 256245), (105, 187913), (121, 163065), (165, 119581), (231, 85415), (363, 54355), (385, 51249), (605, 32613), (847, 23295), (1155, 17083), (1553, 12705), (1815, 10871), (2541, 7765), (4235, 4659)]