18867837410

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30930881}}^1$

素因数の和:30930949

約数の個数: 16

約数和(自身を含む): 34518864312

約数和(自身を除く): 15651026902

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 30930881, 61861762, 154654405, 309308810, 1886783741, 3773567482, 9433918705, 18867837410]

約数ペア:

[(1, 18867837410), (2, 9433918705), (5, 3773567482), (10, 1886783741), (61, 309308810), (122, 154654405), (305, 61861762), (610, 30930881)]