31990908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{727}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 79089920

約数和(自身を除く): 47099012

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 193, 228, 386, 579, 727, 772, 1158, 1454, 2181, 2316, 2908, 3667, 4362, 7334, 8724, 11001, 13813, 14668, 22002, 27626, 41439, 44004, 55252, 82878, 140311, 165756, 280622, 420933, 561244, 841866, 1683732, 2665909, 5331818, 7997727, 10663636, 15995454, 31990908]

約数ペア:

[(1, 31990908), (2, 15995454), (3, 10663636), (4, 7997727), (6, 5331818), (12, 2665909), (19, 1683732), (38, 841866), (57, 561244), (76, 420933), (114, 280622), (193, 165756), (228, 140311), (386, 82878), (579, 55252), (727, 44004), (772, 41439), (1158, 27626), (1454, 22002), (2181, 14668), (2316, 13813), (2908, 11001), (3667, 8724), (4362, 7334)]