17968951

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 24998400

約数和(自身を除く): 7029449

約数列:

[1, 7, 11, 13, 29, 77, 91, 143, 203, 319, 377, 619, 1001, 2233, 2639, 4147, 4333, 6809, 8047, 17951, 29029, 47663, 56329, 88517, 125657, 197461, 233363, 619619, 1382227, 1633541, 2566993, 17968951]

約数ペア:

[(1, 17968951), (7, 2566993), (11, 1633541), (13, 1382227), (29, 619619), (77, 233363), (91, 197461), (143, 125657), (203, 88517), (319, 56329), (377, 47663), (619, 29029), (1001, 17951), (2233, 8047), (2639, 6809), (4147, 4333)]