19999602

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 51267840

約数和(自身を除く): 31268238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 157, 189, 314, 337, 378, 471, 674, 942, 1011, 1099, 1413, 2022, 2198, 2359, 2826, 3033, 3297, 4239, 4718, 6066, 6594, 7077, 8478, 9099, 9891, 14154, 18198, 19782, 21231, 29673, 42462, 52909, 59346, 63693, 105818, 127386, 158727, 317454, 370363, 476181, 740726, 952362, 1111089, 1428543, 2222178, 2857086, 3333267, 6666534, 9999801, 19999602]

約数ペア:

[(1, 19999602), (2, 9999801), (3, 6666534), (6, 3333267), (7, 2857086), (9, 2222178), (14, 1428543), (18, 1111089), (21, 952362), (27, 740726), (42, 476181), (54, 370363), (63, 317454), (126, 158727), (157, 127386), (189, 105818), (314, 63693), (337, 59346), (378, 52909), (471, 42462), (674, 29673), (942, 21231), (1011, 19782), (1099, 18198), (1413, 14154), (2022, 9891), (2198, 9099), (2359, 8478), (2826, 7077), (3033, 6594), (3297, 6066), (4239, 4718)]