19908876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{9817}}^1$

素因数の和:9850

約数の個数: 36

約数和(自身を含む): 50307432

約数和(自身を除く): 30398556

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 9817, 19634, 29451, 39268, 58902, 117804, 127621, 255242, 382863, 510484, 765726, 1531452, 1659073, 3318146, 4977219, 6636292, 9954438, 19908876]

約数ペア:

[(1, 19908876), (2, 9954438), (3, 6636292), (4, 4977219), (6, 3318146), (12, 1659073), (13, 1531452), (26, 765726), (39, 510484), (52, 382863), (78, 255242), (156, 127621), (169, 117804), (338, 58902), (507, 39268), (676, 29451), (1014, 19634), (2028, 9817)]