1998736

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{2357}}^1$

素因数の和:2418

約数の個数: 20

約数和(自身を含む): 3947292

約数和(自身を除く): 1948556

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 2357, 4714, 9428, 18856, 37712, 124921, 249842, 499684, 999368, 1998736]

約数ペア:

[(1, 1998736), (2, 999368), (4, 499684), (8, 249842), (16, 124921), (53, 37712), (106, 18856), (212, 9428), (424, 4714), (848, 2357)]