18539748

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{22391}}^1$

素因数の和:22424

約数の個数: 36

約数和(自身を含む): 48904128

約数和(自身を除く): 30364380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 22391, 44782, 67173, 89564, 134346, 201519, 268692, 403038, 514993, 806076, 1029986, 1544979, 2059972, 3089958, 4634937, 6179916, 9269874, 18539748]

約数ペア:

[(1, 18539748), (2, 9269874), (3, 6179916), (4, 4634937), (6, 3089958), (9, 2059972), (12, 1544979), (18, 1029986), (23, 806076), (36, 514993), (46, 403038), (69, 268692), (92, 201519), (138, 134346), (207, 89564), (276, 67173), (414, 44782), (828, 22391)]