19838494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 33657120

約数和(自身を除く): 13818626

約数列:

[1, 2, 13, 26, 29, 58, 83, 166, 317, 377, 634, 754, 1079, 2158, 2407, 4121, 4814, 8242, 9193, 18386, 26311, 31291, 52622, 62582, 119509, 239018, 342043, 684086, 763019, 1526038, 9919247, 19838494]

約数ペア:

[(1, 19838494), (2, 9919247), (13, 1526038), (26, 763019), (29, 684086), (58, 342043), (83, 239018), (166, 119509), (317, 62582), (377, 52622), (634, 31291), (754, 26311), (1079, 18386), (2158, 9193), (2407, 8242), (4121, 4814)]