18494030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 36210240

約数和(自身を除く): 17716210

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 109, 190, 218, 235, 361, 470, 545, 722, 893, 1090, 1786, 1805, 2071, 3610, 4142, 4465, 5123, 8930, 10246, 10355, 16967, 20710, 25615, 33934, 39349, 51230, 78698, 84835, 97337, 169670, 194674, 196745, 393490, 486685, 973370, 1849403, 3698806, 9247015, 18494030]

約数ペア:

[(1, 18494030), (2, 9247015), (5, 3698806), (10, 1849403), (19, 973370), (38, 486685), (47, 393490), (94, 196745), (95, 194674), (109, 169670), (190, 97337), (218, 84835), (235, 78698), (361, 51230), (470, 39349), (545, 33934), (722, 25615), (893, 20710), (1090, 16967), (1786, 10355), (1805, 10246), (2071, 8930), (3610, 5123), (4142, 4465)]