19356337

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 26498304

約数和(自身を除く): 7141967

約数列:

[1, 7, 11, 13, 61, 77, 91, 143, 317, 427, 671, 793, 1001, 2219, 3487, 4121, 4697, 5551, 8723, 19337, 24409, 28847, 45331, 61061, 135359, 212707, 251381, 317317, 1488949, 1759667, 2765191, 19356337]

約数ペア:

[(1, 19356337), (7, 2765191), (11, 1759667), (13, 1488949), (61, 317317), (77, 251381), (91, 212707), (143, 135359), (317, 61061), (427, 45331), (671, 28847), (793, 24409), (1001, 19337), (2219, 8723), (3487, 5551), (4121, 4697)]