19867635

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1223}}^1$

素因数の和:1272

約数の個数: 36

約数和(自身を含む): 36374832

約数和(自身を除く): 16507197

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 361, 855, 1083, 1223, 1805, 3249, 3669, 5415, 6115, 11007, 16245, 18345, 23237, 55035, 69711, 116185, 209133, 348555, 441503, 1045665, 1324509, 2207515, 3973527, 6622545, 19867635]

約数ペア:

[(1, 19867635), (3, 6622545), (5, 3973527), (9, 2207515), (15, 1324509), (19, 1045665), (45, 441503), (57, 348555), (95, 209133), (171, 116185), (285, 69711), (361, 55035), (855, 23237), (1083, 18345), (1223, 16245), (1805, 11007), (3249, 6115), (3669, 5415)]