19667193

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 32831232

約数和(自身を除く): 13164039

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1181, 1281, 2379, 3543, 5551, 8267, 15353, 16653, 24801, 46059, 72041, 107471, 216123, 322413, 504287, 936533, 1512861, 2809599, 6555731, 19667193]

約数ペア:

[(1, 19667193), (3, 6555731), (7, 2809599), (13, 1512861), (21, 936533), (39, 504287), (61, 322413), (91, 216123), (183, 107471), (273, 72041), (427, 46059), (793, 24801), (1181, 16653), (1281, 15353), (2379, 8267), (3543, 5551)]