220185718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 355449600

約数和(自身を除く): 135263882

約数列:

[1, 2, 19, 38, 67, 134, 197, 394, 439, 878, 1273, 2546, 3743, 7486, 8341, 13199, 16682, 26398, 29413, 58826, 86483, 172966, 250781, 501562, 558847, 1117694, 1643177, 3286354, 5794361, 11588722, 110092859, 220185718]

約数ペア:

[(1, 220185718), (2, 110092859), (19, 11588722), (38, 5794361), (67, 3286354), (134, 1643177), (197, 1117694), (394, 558847), (439, 501562), (878, 250781), (1273, 172966), (2546, 86483), (3743, 58826), (7486, 29413), (8341, 26398), (13199, 16682)]