12886940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3083}}^1$

素因数の和:3122

約数の個数: 48

約数和(自身を含む): 31086720

約数和(自身を除く): 18199780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 3083, 4180, 6166, 12332, 15415, 30830, 33913, 58577, 61660, 67826, 117154, 135652, 169565, 234308, 292885, 339130, 585770, 644347, 678260, 1171540, 1288694, 2577388, 3221735, 6443470, 12886940]

約数ペア:

[(1, 12886940), (2, 6443470), (4, 3221735), (5, 2577388), (10, 1288694), (11, 1171540), (19, 678260), (20, 644347), (22, 585770), (38, 339130), (44, 292885), (55, 234308), (76, 169565), (95, 135652), (110, 117154), (190, 67826), (209, 61660), (220, 58577), (380, 33913), (418, 30830), (836, 15415), (1045, 12332), (2090, 6166), (3083, 4180)]