18871476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{883}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 47820864

約数和(自身を除く): 28949388

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 883, 1644, 1766, 1781, 2649, 3532, 3562, 5298, 5343, 7124, 10596, 10686, 11479, 21372, 22958, 34437, 45916, 68874, 120971, 137748, 241942, 362913, 483884, 725826, 1451652, 1572623, 3145246, 4717869, 6290492, 9435738, 18871476]

約数ペア:

[(1, 18871476), (2, 9435738), (3, 6290492), (4, 4717869), (6, 3145246), (12, 1572623), (13, 1451652), (26, 725826), (39, 483884), (52, 362913), (78, 241942), (137, 137748), (156, 120971), (274, 68874), (411, 45916), (548, 34437), (822, 22958), (883, 21372), (1644, 11479), (1766, 10686), (1781, 10596), (2649, 7124), (3532, 5343), (3562, 5298)]