18840996265

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{38377}}^1$

素因数の和:38498

約数の個数: 48

約数和(自身を含む): 28317437568

約数和(自身を除く): 9476441303

約数列:

[1, 5, 7, 13, 35, 65, 83, 91, 169, 415, 455, 581, 845, 1079, 1183, 2905, 5395, 5915, 7553, 14027, 37765, 38377, 70135, 98189, 191885, 268639, 490945, 498901, 1343195, 2494505, 3185291, 3492307, 6485713, 15926455, 17461535, 22297037, 32428565, 41408783, 45399991, 111485185, 207043915, 226999955, 289861481, 538314179, 1449307405, 2691570895, 3768199253, 18840996265]

約数ペア:

[(1, 18840996265), (5, 3768199253), (7, 2691570895), (13, 1449307405), (35, 538314179), (65, 289861481), (83, 226999955), (91, 207043915), (169, 111485185), (415, 45399991), (455, 41408783), (581, 32428565), (845, 22297037), (1079, 17461535), (1183, 15926455), (2905, 6485713), (5395, 3492307), (5915, 3185291), (7553, 2494505), (14027, 1343195), (37765, 498901), (38377, 490945), (70135, 268639), (98189, 191885)]