18064928

素因数分解:

$2^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:346

約数の個数: 72

約数和(自身を含む): 42531804

約数和(自身を除く): 24466876

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 82, 98, 112, 164, 196, 224, 281, 287, 328, 392, 562, 574, 656, 784, 1124, 1148, 1312, 1568, 1967, 2009, 2248, 2296, 3934, 4018, 4496, 4592, 7868, 8036, 8992, 9184, 11521, 13769, 15736, 16072, 23042, 27538, 31472, 32144, 46084, 55076, 62944, 64288, 80647, 92168, 110152, 161294, 184336, 220304, 322588, 368672, 440608, 564529, 645176, 1129058, 1290352, 2258116, 2580704, 4516232, 9032464, 18064928]

約数ペア:

[(1, 18064928), (2, 9032464), (4, 4516232), (7, 2580704), (8, 2258116), (14, 1290352), (16, 1129058), (28, 645176), (32, 564529), (41, 440608), (49, 368672), (56, 322588), (82, 220304), (98, 184336), (112, 161294), (164, 110152), (196, 92168), (224, 80647), (281, 64288), (287, 62944), (328, 55076), (392, 46084), (562, 32144), (574, 31472), (656, 27538), (784, 23042), (1124, 16072), (1148, 15736), (1312, 13769), (1568, 11521), (1967, 9184), (2009, 8992), (2248, 8036), (2296, 7868), (3934, 4592), (4018, 4496)]