19953584

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:874

約数の個数: 60

約数和(自身を含む): 46479168

約数和(自身を除く): 26525584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 392, 434, 496, 784, 821, 868, 1519, 1642, 1736, 3038, 3284, 3472, 5747, 6076, 6568, 11494, 12152, 13136, 22988, 24304, 25451, 40229, 45976, 50902, 80458, 91952, 101804, 160916, 178157, 203608, 321832, 356314, 407216, 643664, 712628, 1247099, 1425256, 2494198, 2850512, 4988396, 9976792, 19953584]

約数ペア:

[(1, 19953584), (2, 9976792), (4, 4988396), (7, 2850512), (8, 2494198), (14, 1425256), (16, 1247099), (28, 712628), (31, 643664), (49, 407216), (56, 356314), (62, 321832), (98, 203608), (112, 178157), (124, 160916), (196, 101804), (217, 91952), (248, 80458), (392, 50902), (434, 45976), (496, 40229), (784, 25451), (821, 24304), (868, 22988), (1519, 13136), (1642, 12152), (1736, 11494), (3038, 6568), (3284, 6076), (3472, 5747)]