19520438

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 34401024

約数和(自身を除く): 14880586

約数列:

[1, 2, 7, 14, 83, 107, 157, 166, 214, 314, 581, 749, 1099, 1162, 1498, 2198, 8881, 13031, 16799, 17762, 26062, 33598, 62167, 91217, 117593, 124334, 182434, 235186, 1394317, 2788634, 9760219, 19520438]

約数ペア:

[(1, 19520438), (2, 9760219), (7, 2788634), (14, 1394317), (83, 235186), (107, 182434), (157, 124334), (166, 117593), (214, 91217), (314, 62167), (581, 33598), (749, 26062), (1099, 17762), (1162, 16799), (1498, 13031), (2198, 8881)]