13725220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1901}}^1$

素因数の和:1948

約数の個数: 36

約数和(自身を含む): 30435804

約数和(自身を除く): 16710584

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 1901, 3610, 3802, 7220, 7604, 9505, 19010, 36119, 38020, 72238, 144476, 180595, 361190, 686261, 722380, 1372522, 2745044, 3431305, 6862610, 13725220]

約数ペア:

[(1, 13725220), (2, 6862610), (4, 3431305), (5, 2745044), (10, 1372522), (19, 722380), (20, 686261), (38, 361190), (76, 180595), (95, 144476), (190, 72238), (361, 38020), (380, 36119), (722, 19010), (1444, 9505), (1805, 7604), (1901, 7220), (3610, 3802)]