18819198

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 42996096

約数和(自身を除く): 24176898

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 131, 138, 207, 262, 347, 393, 414, 694, 786, 1041, 1179, 2082, 2358, 3013, 3123, 6026, 6246, 7981, 9039, 15962, 18078, 23943, 27117, 45457, 47886, 54234, 71829, 90914, 136371, 143658, 272742, 409113, 818226, 1045511, 2091022, 3136533, 6273066, 9409599, 18819198]

約数ペア:

[(1, 18819198), (2, 9409599), (3, 6273066), (6, 3136533), (9, 2091022), (18, 1045511), (23, 818226), (46, 409113), (69, 272742), (131, 143658), (138, 136371), (207, 90914), (262, 71829), (347, 54234), (393, 47886), (414, 45457), (694, 27117), (786, 23943), (1041, 18078), (1179, 15962), (2082, 9039), (2358, 7981), (3013, 6246), (3123, 6026)]