19940973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2677}}^1$

素因数の和:2884

約数の個数: 16

約数和(自身を含む): 28793856

約数和(自身を除く): 8852883

約数列:

[1, 3, 13, 39, 191, 573, 2483, 2677, 7449, 8031, 34801, 104403, 511307, 1533921, 6646991, 19940973]

約数ペア:

[(1, 19940973), (3, 6646991), (13, 1533921), (39, 511307), (191, 104403), (573, 34801), (2483, 8031), (2677, 7449)]