18883670407

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{4127}}^1$

素因数の和:4431

約数の個数: 32

約数和(自身を含む): 22469529600

約数和(自身を除く): 3585859193

約数列:

[1, 7, 41, 107, 149, 287, 749, 1043, 4127, 4387, 6109, 15943, 28889, 30709, 42763, 111601, 169207, 441589, 614923, 653663, 1184449, 3091123, 4304461, 4575641, 18105149, 25211843, 65796761, 126736043, 176482901, 460577327, 2697667201, 18883670407]

約数ペア:

[(1, 18883670407), (7, 2697667201), (41, 460577327), (107, 176482901), (149, 126736043), (287, 65796761), (749, 25211843), (1043, 18105149), (4127, 4575641), (4387, 4304461), (6109, 3091123), (15943, 1184449), (28889, 653663), (30709, 614923), (42763, 441589), (111601, 169207)]