18939603

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5179}}^1$

素因数の和:5258

約数の個数: 16

約数和(自身を含む): 26853120

約数和(自身を除く): 7913517

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5179, 15537, 119117, 274487, 357351, 823461, 6313201, 18939603]

約数ペア:

[(1, 18939603), (3, 6313201), (23, 823461), (53, 357351), (69, 274487), (159, 119117), (1219, 15537), (3657, 5179)]