19836999

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 36009792

約数和(自身を除く): 16172793

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 273, 371, 457, 477, 689, 819, 1113, 1371, 2067, 3199, 3339, 4113, 4823, 5941, 6201, 9597, 14469, 17823, 24221, 28791, 41587, 43407, 53469, 72663, 124761, 169547, 217989, 314873, 374283, 508641, 944619, 1525923, 2204111, 2833857, 6612333, 19836999]

約数ペア:

[(1, 19836999), (3, 6612333), (7, 2833857), (9, 2204111), (13, 1525923), (21, 944619), (39, 508641), (53, 374283), (63, 314873), (91, 217989), (117, 169547), (159, 124761), (273, 72663), (371, 53469), (457, 43407), (477, 41587), (689, 28791), (819, 24221), (1113, 17823), (1371, 14469), (2067, 9597), (3199, 6201), (3339, 5941), (4113, 4823)]