19267521

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 32676480

約数和(自身を除く): 13408959

約数列:

[1, 3, 7, 13, 21, 39, 61, 89, 91, 169, 183, 267, 273, 427, 507, 623, 793, 1157, 1183, 1281, 1869, 2379, 3471, 3549, 5429, 5551, 8099, 10309, 15041, 16287, 16653, 24297, 30927, 38003, 45123, 70577, 72163, 105287, 114009, 211731, 216489, 315861, 494039, 917501, 1482117, 2752503, 6422507, 19267521]

約数ペア:

[(1, 19267521), (3, 6422507), (7, 2752503), (13, 1482117), (21, 917501), (39, 494039), (61, 315861), (89, 216489), (91, 211731), (169, 114009), (183, 105287), (267, 72163), (273, 70577), (427, 45123), (507, 38003), (623, 30927), (793, 24297), (1157, 16653), (1183, 16287), (1281, 15041), (1869, 10309), (2379, 8099), (3471, 5551), (3549, 5429)]