19567517781

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{821}}^1\times {\mathrm{1181}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 30873688704

約数和(自身を除く): 11306170923

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 821, 961, 1181, 2463, 2883, 3543, 5747, 6727, 8267, 17241, 20181, 24801, 25451, 36611, 76353, 109833, 178157, 256277, 534471, 768831, 788981, 969601, 1134941, 2366943, 2908803, 3404823, 5522867, 6787207, 7944587, 16568601, 20361621, 23833761, 30057631, 90172893, 210403417, 631210251, 931786561, 2795359683, 6522505927, 19567517781]

約数ペア:

[(1, 19567517781), (3, 6522505927), (7, 2795359683), (21, 931786561), (31, 631210251), (93, 210403417), (217, 90172893), (651, 30057631), (821, 23833761), (961, 20361621), (1181, 16568601), (2463, 7944587), (2883, 6787207), (3543, 5522867), (5747, 3404823), (6727, 2908803), (8267, 2366943), (17241, 1134941), (20181, 969601), (24801, 788981), (25451, 768831), (36611, 534471), (76353, 256277), (109833, 178157)]