19996245873

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{1217}}^1\times {\mathrm{1861}}^1$

素因数の和:3199

約数の個数: 40

約数和(自身を含む): 30185961960

約数和(自身を除く): 10189716087

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 1217, 1861, 2943, 3651, 5583, 8829, 10953, 16749, 32859, 50247, 98577, 132653, 150741, 202849, 397959, 608547, 1193877, 1825641, 2264837, 3581631, 5476923, 6794511, 10744893, 16430769, 20383533, 61150599, 183451797, 246867233, 740601699, 2221805097, 6665415291, 19996245873]

約数ペア:

[(1, 19996245873), (3, 6665415291), (9, 2221805097), (27, 740601699), (81, 246867233), (109, 183451797), (327, 61150599), (981, 20383533), (1217, 16430769), (1861, 10744893), (2943, 6794511), (3651, 5476923), (5583, 3581631), (8829, 2264837), (10953, 1825641), (16749, 1193877), (32859, 608547), (50247, 397959), (98577, 202849), (132653, 150741)]