219872978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{445087}}^1$

素因数の和:445121

約数の個数: 16

約数和(自身を含む): 373873920

約数和(自身を除く): 154000942

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 445087, 890174, 5786131, 8456653, 11572262, 16913306, 109936489, 219872978]

約数ペア:

[(1, 219872978), (2, 109936489), (13, 16913306), (19, 11572262), (26, 8456653), (38, 5786131), (247, 890174), (494, 445087)]