18891796

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 41771520

約数和(自身を除く): 22879724

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 83, 154, 166, 308, 332, 581, 739, 913, 1162, 1478, 1826, 2324, 2956, 3652, 5173, 6391, 8129, 10346, 12782, 16258, 20692, 25564, 32516, 56903, 61337, 113806, 122674, 227612, 245348, 429359, 674707, 858718, 1349414, 1717436, 2698828, 4722949, 9445898, 18891796]

約数ペア:

[(1, 18891796), (2, 9445898), (4, 4722949), (7, 2698828), (11, 1717436), (14, 1349414), (22, 858718), (28, 674707), (44, 429359), (77, 245348), (83, 227612), (154, 122674), (166, 113806), (308, 61337), (332, 56903), (581, 32516), (739, 25564), (913, 20692), (1162, 16258), (1478, 12782), (1826, 10346), (2324, 8129), (2956, 6391), (3652, 5173)]