18089695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 24494400

約数和(自身を除く): 6404705

約数列:

[1, 5, 13, 53, 59, 65, 89, 265, 295, 445, 689, 767, 1157, 3127, 3445, 3835, 4717, 5251, 5785, 15635, 23585, 26255, 40651, 61321, 68263, 203255, 278303, 306605, 341315, 1391515, 3617939, 18089695]

約数ペア:

[(1, 18089695), (5, 3617939), (13, 1391515), (53, 341315), (59, 306605), (65, 278303), (89, 203255), (265, 68263), (295, 61321), (445, 40651), (689, 26255), (767, 23585), (1157, 15635), (3127, 5785), (3445, 5251), (3835, 4717)]