19680777784

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{225263}}^1$

素因数の和:225499

約数の個数: 32

約数和(自身を含む): 37682161920

約数和(自身を除く): 18001384136

約数列:

[1, 2, 4, 8, 67, 134, 163, 268, 326, 536, 652, 1304, 10921, 21842, 43684, 87368, 225263, 450526, 901052, 1802104, 15092621, 30185242, 36717869, 60370484, 73435738, 120740968, 146871476, 293742952, 2460097223, 4920194446, 9840388892, 19680777784]

約数ペア:

[(1, 19680777784), (2, 9840388892), (4, 4920194446), (8, 2460097223), (67, 293742952), (134, 146871476), (163, 120740968), (268, 73435738), (326, 60370484), (536, 36717869), (652, 30185242), (1304, 15092621), (10921, 1802104), (21842, 901052), (43684, 450526), (87368, 225263)]