19923306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3499}}^1$

素因数の和:3590

約数の個数: 32

約数和(自身を含む): 43512000

約数和(自身を除く): 23588694

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 3499, 5694, 6998, 10497, 20994, 45487, 90974, 136461, 255427, 272922, 510854, 766281, 1532562, 3320551, 6641102, 9961653, 19923306]

約数ペア:

[(1, 19923306), (2, 9961653), (3, 6641102), (6, 3320551), (13, 1532562), (26, 766281), (39, 510854), (73, 272922), (78, 255427), (146, 136461), (219, 90974), (438, 45487), (949, 20994), (1898, 10497), (2847, 6998), (3499, 5694)]