18122965

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 8419115

約数列:

[1, 5, 7, 23, 35, 47, 115, 161, 235, 329, 479, 805, 1081, 1645, 2395, 3353, 5405, 7567, 11017, 16765, 22513, 37835, 55085, 77119, 112565, 157591, 385595, 517799, 787955, 2588995, 3624593, 18122965]

約数ペア:

[(1, 18122965), (5, 3624593), (7, 2588995), (23, 787955), (35, 517799), (47, 385595), (115, 157591), (161, 112565), (235, 77119), (329, 55085), (479, 37835), (805, 22513), (1081, 16765), (1645, 11017), (2395, 7567), (3353, 5405)]