19089805

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 27433728

約数和(自身を除く): 8343923

約数列:

[1, 5, 7, 35, 41, 53, 205, 251, 265, 287, 371, 1255, 1435, 1757, 1855, 2173, 8785, 10291, 10865, 13303, 15211, 51455, 66515, 72037, 76055, 93121, 360185, 465605, 545423, 2727115, 3817961, 19089805]

約数ペア:

[(1, 19089805), (5, 3817961), (7, 2727115), (35, 545423), (41, 465605), (53, 360185), (205, 93121), (251, 76055), (265, 72037), (287, 66515), (371, 51455), (1255, 15211), (1435, 13303), (1757, 10865), (1855, 10291), (2173, 8785)]