180815894

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{5189}}^1$

素因数の和:5348

約数の個数: 32

約数和(自身を含む): 328838400

約数和(自身を除く): 148022506

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 917, 1834, 2489, 4978, 5189, 10378, 17423, 34846, 36323, 72646, 98591, 197182, 679759, 690137, 1359518, 1380274, 4758313, 9516626, 12915421, 25830842, 90407947, 180815894]

約数ペア:

[(1, 180815894), (2, 90407947), (7, 25830842), (14, 12915421), (19, 9516626), (38, 4758313), (131, 1380274), (133, 1359518), (262, 690137), (266, 679759), (917, 197182), (1834, 98591), (2489, 72646), (4978, 36323), (5189, 34846), (10378, 17423)]