17959547138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1\times {\mathrm{20963}}^1$

素因数の和:21458

約数の個数: 32

約数和(自身を含む): 29436474816

約数和(自身を除く): 11476927678

約数列:

[1, 2, 13, 26, 83, 166, 397, 794, 1079, 2158, 5161, 10322, 20963, 32951, 41926, 65902, 272519, 428363, 545038, 856726, 1739929, 3479858, 8322311, 16644622, 22619077, 45238154, 108190043, 216380086, 690751813, 1381503626, 8979773569, 17959547138]

約数ペア:

[(1, 17959547138), (2, 8979773569), (13, 1381503626), (26, 690751813), (83, 216380086), (166, 108190043), (397, 45238154), (794, 22619077), (1079, 16644622), (2158, 8322311), (5161, 3479858), (10322, 1739929), (20963, 856726), (32951, 545038), (41926, 428363), (65902, 272519)]