15556554

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3499}}^1$

素因数の和:3539

約数の個数: 48

約数和(自身を含む): 38220000

約数和(自身を除く): 22663446

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 3499, 4446, 6998, 10497, 20994, 31491, 45487, 62982, 66481, 90974, 132962, 136461, 199443, 272922, 398886, 409383, 598329, 818766, 864253, 1196658, 1728506, 2592759, 5185518, 7778277, 15556554]

約数ペア:

[(1, 15556554), (2, 7778277), (3, 5185518), (6, 2592759), (9, 1728506), (13, 1196658), (18, 864253), (19, 818766), (26, 598329), (38, 409383), (39, 398886), (57, 272922), (78, 199443), (114, 136461), (117, 132962), (171, 90974), (234, 66481), (247, 62982), (342, 45487), (494, 31491), (741, 20994), (1482, 10497), (2223, 6998), (3499, 4446)]