18303712

素因数分解:

$2^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1993}}^1$

素因数の和:2051

約数の個数: 48

約数和(自身を含む): 42208992

約数和(自身を除く): 23905280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 82, 112, 164, 224, 287, 328, 574, 656, 1148, 1312, 1993, 2296, 3986, 4592, 7972, 9184, 13951, 15944, 27902, 31888, 55804, 63776, 81713, 111608, 163426, 223216, 326852, 446432, 571991, 653704, 1143982, 1307408, 2287964, 2614816, 4575928, 9151856, 18303712]

約数ペア:

[(1, 18303712), (2, 9151856), (4, 4575928), (7, 2614816), (8, 2287964), (14, 1307408), (16, 1143982), (28, 653704), (32, 571991), (41, 446432), (56, 326852), (82, 223216), (112, 163426), (164, 111608), (224, 81713), (287, 63776), (328, 55804), (574, 31888), (656, 27902), (1148, 15944), (1312, 13951), (1993, 9184), (2296, 7972), (3986, 4592)]