19856424

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{653}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 57133440

約数和(自身を除く): 37277016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 181, 362, 543, 653, 724, 1086, 1267, 1306, 1448, 1959, 2172, 2534, 2612, 3801, 3918, 4344, 4571, 5068, 5224, 7602, 7836, 9142, 10136, 13713, 15204, 15672, 18284, 27426, 30408, 36568, 54852, 109704, 118193, 236386, 354579, 472772, 709158, 827351, 945544, 1418316, 1654702, 2482053, 2836632, 3309404, 4964106, 6618808, 9928212, 19856424]

約数ペア:

[(1, 19856424), (2, 9928212), (3, 6618808), (4, 4964106), (6, 3309404), (7, 2836632), (8, 2482053), (12, 1654702), (14, 1418316), (21, 945544), (24, 827351), (28, 709158), (42, 472772), (56, 354579), (84, 236386), (168, 118193), (181, 109704), (362, 54852), (543, 36568), (653, 30408), (724, 27426), (1086, 18284), (1267, 15672), (1306, 15204), (1448, 13713), (1959, 10136), (2172, 9142), (2534, 7836), (2612, 7602), (3801, 5224), (3918, 5068), (4344, 4571)]