18971643

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 28207872

約数和(自身を除く): 9236229

約数列:

[1, 3, 17, 41, 43, 51, 123, 129, 211, 633, 697, 731, 1763, 2091, 2193, 3587, 5289, 8651, 9073, 10761, 25953, 27219, 29971, 89913, 147067, 154241, 371993, 441201, 462723, 1115979, 6323881, 18971643]

約数ペア:

[(1, 18971643), (3, 6323881), (17, 1115979), (41, 462723), (43, 441201), (51, 371993), (123, 154241), (129, 147067), (211, 89913), (633, 29971), (697, 27219), (731, 25953), (1763, 10761), (2091, 9073), (2193, 8651), (3587, 5289)]