19947274

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:777

約数の個数: 16

約数和(自身を含む): 30429000

約数和(自身を除く): 10481726

約数列:

[1, 2, 97, 194, 229, 449, 458, 898, 22213, 43553, 44426, 87106, 102821, 205642, 9973637, 19947274]

約数ペア:

[(1, 19947274), (2, 9973637), (97, 205642), (194, 102821), (229, 87106), (449, 44426), (458, 43553), (898, 22213)]