18914142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 42795648

約数和(自身を除く): 23881506

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 169, 299, 338, 507, 598, 811, 897, 1014, 1622, 1794, 2433, 3887, 4866, 7774, 10543, 11661, 18653, 21086, 23322, 31629, 37306, 55959, 63258, 111918, 137059, 242489, 274118, 411177, 484978, 727467, 822354, 1454934, 3152357, 6304714, 9457071, 18914142]

約数ペア:

[(1, 18914142), (2, 9457071), (3, 6304714), (6, 3152357), (13, 1454934), (23, 822354), (26, 727467), (39, 484978), (46, 411177), (69, 274118), (78, 242489), (138, 137059), (169, 111918), (299, 63258), (338, 55959), (507, 37306), (598, 31629), (811, 23322), (897, 21086), (1014, 18653), (1622, 11661), (1794, 10543), (2433, 7774), (3887, 4866)]