19261881

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 29795584

約数和(自身を除く): 10533703

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 2557, 7533, 7671, 23013, 69039, 79267, 207117, 237801, 621351, 713403, 2140209, 6420627, 19261881]

約数ペア:

[(1, 19261881), (3, 6420627), (9, 2140209), (27, 713403), (31, 621351), (81, 237801), (93, 207117), (243, 79267), (279, 69039), (837, 23013), (2511, 7671), (2557, 7533)]