19917586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1753}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 35360640

約数和(自身を除く): 15443054

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 1753, 3506, 5681, 11362, 22789, 33307, 40319, 45578, 66614, 80638, 432991, 524147, 766061, 865982, 1048294, 1532122, 9958793, 19917586]

約数ペア:

[(1, 19917586), (2, 9958793), (13, 1532122), (19, 1048294), (23, 865982), (26, 766061), (38, 524147), (46, 432991), (247, 80638), (299, 66614), (437, 45578), (494, 40319), (598, 33307), (874, 22789), (1753, 11362), (3506, 5681)]