19699884

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 53202240

約数和(自身を除く): 33502356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 83, 114, 166, 171, 228, 249, 332, 342, 347, 498, 684, 694, 747, 996, 1041, 1388, 1494, 1577, 2082, 2988, 3123, 3154, 4164, 4731, 6246, 6308, 6593, 9462, 12492, 13186, 14193, 18924, 19779, 26372, 28386, 28801, 39558, 56772, 57602, 59337, 79116, 86403, 115204, 118674, 172806, 237348, 259209, 345612, 518418, 547219, 1036836, 1094438, 1641657, 2188876, 3283314, 4924971, 6566628, 9849942, 19699884]

約数ペア:

[(1, 19699884), (2, 9849942), (3, 6566628), (4, 4924971), (6, 3283314), (9, 2188876), (12, 1641657), (18, 1094438), (19, 1036836), (36, 547219), (38, 518418), (57, 345612), (76, 259209), (83, 237348), (114, 172806), (166, 118674), (171, 115204), (228, 86403), (249, 79116), (332, 59337), (342, 57602), (347, 56772), (498, 39558), (684, 28801), (694, 28386), (747, 26372), (996, 19779), (1041, 18924), (1388, 14193), (1494, 13186), (1577, 12492), (2082, 9462), (2988, 6593), (3123, 6308), (3154, 6246), (4164, 4731)]