19861272

素因数分解:

$2^3\times 3^2\times {\mathrm{223}}^1\times {\mathrm{1237}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 54075840

約数和(自身を除く): 34214568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 223, 446, 669, 892, 1237, 1338, 1784, 2007, 2474, 2676, 3711, 4014, 4948, 5352, 7422, 8028, 9896, 11133, 14844, 16056, 22266, 29688, 44532, 89064, 275851, 551702, 827553, 1103404, 1655106, 2206808, 2482659, 3310212, 4965318, 6620424, 9930636, 19861272]

約数ペア:

[(1, 19861272), (2, 9930636), (3, 6620424), (4, 4965318), (6, 3310212), (8, 2482659), (9, 2206808), (12, 1655106), (18, 1103404), (24, 827553), (36, 551702), (72, 275851), (223, 89064), (446, 44532), (669, 29688), (892, 22266), (1237, 16056), (1338, 14844), (1784, 11133), (2007, 9896), (2474, 8028), (2676, 7422), (3711, 5352), (4014, 4948)]