12439984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 40

約数和(自身を含む): 25633280

約数和(自身を除く): 13193296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 151, 152, 271, 302, 304, 542, 604, 1084, 1208, 2168, 2416, 2869, 4336, 5149, 5738, 10298, 11476, 20596, 22952, 40921, 41192, 45904, 81842, 82384, 163684, 327368, 654736, 777499, 1554998, 3109996, 6219992, 12439984]

約数ペア:

[(1, 12439984), (2, 6219992), (4, 3109996), (8, 1554998), (16, 777499), (19, 654736), (38, 327368), (76, 163684), (151, 82384), (152, 81842), (271, 45904), (302, 41192), (304, 40921), (542, 22952), (604, 20596), (1084, 11476), (1208, 10298), (2168, 5738), (2416, 5149), (2869, 4336)]