19996370

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1301}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 37966320

約数和(自身を除く): 17969950

約数列:

[1, 2, 5, 10, 29, 53, 58, 106, 145, 265, 290, 530, 1301, 1537, 2602, 3074, 6505, 7685, 13010, 15370, 37729, 68953, 75458, 137906, 188645, 344765, 377290, 689530, 1999637, 3999274, 9998185, 19996370]

約数ペア:

[(1, 19996370), (2, 9998185), (5, 3999274), (10, 1999637), (29, 689530), (53, 377290), (58, 344765), (106, 188645), (145, 137906), (265, 75458), (290, 68953), (530, 37729), (1301, 15370), (1537, 13010), (2602, 7685), (3074, 6505)]