19691253

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{719}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 30326400

約数和(自身を除く): 10635147

約数列:

[1, 3, 9, 17, 51, 153, 179, 537, 719, 1611, 2157, 3043, 6471, 9129, 12223, 27387, 36669, 110007, 128701, 386103, 1158309, 2187917, 6563751, 19691253]

約数ペア:

[(1, 19691253), (3, 6563751), (9, 2187917), (17, 1158309), (51, 386103), (153, 128701), (179, 110007), (537, 36669), (719, 27387), (1611, 12223), (2157, 9129), (3043, 6471)]