20619198

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7487}}^1$

素因数の和:7518

約数の個数: 40

約数和(自身を含む): 48926592

約数和(自身を除く): 28307394

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7487, 14974, 22461, 44922, 67383, 127279, 134766, 202149, 254558, 381837, 404298, 606447, 763674, 1145511, 1212894, 2291022, 3436533, 6873066, 10309599, 20619198]

約数ペア:

[(1, 20619198), (2, 10309599), (3, 6873066), (6, 3436533), (9, 2291022), (17, 1212894), (18, 1145511), (27, 763674), (34, 606447), (51, 404298), (54, 381837), (81, 254558), (102, 202149), (153, 134766), (162, 127279), (306, 67383), (459, 44922), (918, 22461), (1377, 14974), (2754, 7487)]