18945123

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 28864512

約数和(自身を除く): 9919389

約数列:

[1, 3, 17, 23, 31, 51, 69, 93, 391, 521, 527, 713, 1173, 1563, 1581, 2139, 8857, 11983, 12121, 16151, 26571, 35949, 36363, 48453, 203711, 274567, 371473, 611133, 823701, 1114419, 6315041, 18945123]

約数ペア:

[(1, 18945123), (3, 6315041), (17, 1114419), (23, 823701), (31, 611133), (51, 371473), (69, 274567), (93, 203711), (391, 48453), (521, 36363), (527, 35949), (713, 26571), (1173, 16151), (1563, 12121), (1581, 11983), (2139, 8857)]