19660851

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10067}}^1$

素因数の和:10111

約数の個数: 24

約数和(自身を含む): 33506304

約数和(自身を除く): 13845453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10067, 30201, 70469, 90603, 211407, 312077, 634221, 936231, 2184539, 2808693, 6553617, 19660851]

約数ペア:

[(1, 19660851), (3, 6553617), (7, 2808693), (9, 2184539), (21, 936231), (31, 634221), (63, 312077), (93, 211407), (217, 90603), (279, 70469), (651, 30201), (1953, 10067)]