18591972

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{4517}}^1$

素因数の和:4545

約数の個数: 48

約数和(自身を含む): 50601600

約数和(自身を除く): 32009628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 4517, 9034, 13551, 18068, 27102, 31619, 54204, 63238, 94857, 126476, 189714, 221333, 379428, 442666, 663999, 885332, 1327998, 1549331, 2655996, 3098662, 4647993, 6197324, 9295986, 18591972]

約数ペア:

[(1, 18591972), (2, 9295986), (3, 6197324), (4, 4647993), (6, 3098662), (7, 2655996), (12, 1549331), (14, 1327998), (21, 885332), (28, 663999), (42, 442666), (49, 379428), (84, 221333), (98, 189714), (147, 126476), (196, 94857), (294, 63238), (343, 54204), (588, 31619), (686, 27102), (1029, 18068), (1372, 13551), (2058, 9034), (4116, 4517)]