15189721

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 18385920

約数和(自身を除く): 3196199

約数列:

[1, 17, 19, 31, 37, 41, 323, 527, 589, 629, 697, 703, 779, 1147, 1271, 1517, 10013, 11951, 13243, 19499, 21607, 21793, 24149, 25789, 28823, 47027, 370481, 410533, 489991, 799459, 893513, 15189721]

約数ペア:

[(1, 15189721), (17, 893513), (19, 799459), (31, 489991), (37, 410533), (41, 370481), (323, 47027), (527, 28823), (589, 25789), (629, 24149), (697, 21793), (703, 21607), (779, 19499), (1147, 13243), (1271, 11951), (1517, 10013)]