18729705

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^2$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 31405248

約数和(自身を除く): 12675543

約数列:

[1, 3, 5, 15, 23, 69, 115, 233, 345, 699, 1165, 3495, 5359, 16077, 26795, 54289, 80385, 162867, 271445, 814335, 1248647, 3745941, 6243235, 18729705]

約数ペア:

[(1, 18729705), (3, 6243235), (5, 3745941), (15, 1248647), (23, 814335), (69, 271445), (115, 162867), (233, 80385), (345, 54289), (699, 26795), (1165, 16077), (3495, 5359)]