19490172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1237}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 49500192

約数和(自身を除く): 30010020

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 101, 156, 202, 303, 404, 606, 1212, 1237, 1313, 2474, 2626, 3711, 3939, 4948, 5252, 7422, 7878, 14844, 15756, 16081, 32162, 48243, 64324, 96486, 124937, 192972, 249874, 374811, 499748, 749622, 1499244, 1624181, 3248362, 4872543, 6496724, 9745086, 19490172]

約数ペア:

[(1, 19490172), (2, 9745086), (3, 6496724), (4, 4872543), (6, 3248362), (12, 1624181), (13, 1499244), (26, 749622), (39, 499748), (52, 374811), (78, 249874), (101, 192972), (156, 124937), (202, 96486), (303, 64324), (404, 48243), (606, 32162), (1212, 16081), (1237, 15756), (1313, 14844), (2474, 7878), (2626, 7422), (3711, 5252), (3939, 4948)]