18737353505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1\times {\mathrm{10739}}^1$

素因数の和:12353

約数の個数: 32

約数和(自身を含む): 25657430400

約数和(自身を除く): 6920076895

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1579, 7895, 10739, 20527, 26843, 53695, 102635, 134215, 139607, 182563, 348959, 698035, 912815, 1744795, 2373319, 11866595, 16956881, 84784405, 220439453, 288266977, 1102197265, 1441334885, 3747470701, 18737353505]

約数ペア:

[(1, 18737353505), (5, 3747470701), (13, 1441334885), (17, 1102197265), (65, 288266977), (85, 220439453), (221, 84784405), (1105, 16956881), (1579, 11866595), (7895, 2373319), (10739, 1744795), (20527, 912815), (26843, 698035), (53695, 348959), (102635, 182563), (134215, 139607)]