19346325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 33854976

約数和(自身を除く): 14508651

約数列:

[1, 3, 5, 15, 25, 31, 53, 75, 93, 155, 157, 159, 265, 465, 471, 775, 785, 795, 1325, 1643, 2325, 2355, 3925, 3975, 4867, 4929, 8215, 8321, 11775, 14601, 24335, 24645, 24963, 41075, 41605, 73005, 121675, 123225, 124815, 208025, 257951, 365025, 624075, 773853, 1289755, 3869265, 6448775, 19346325]

約数ペア:

[(1, 19346325), (3, 6448775), (5, 3869265), (15, 1289755), (25, 773853), (31, 624075), (53, 365025), (75, 257951), (93, 208025), (155, 124815), (157, 123225), (159, 121675), (265, 73005), (465, 41605), (471, 41075), (775, 24963), (785, 24645), (795, 24335), (1325, 14601), (1643, 11775), (2325, 8321), (2355, 8215), (3925, 4929), (3975, 4867)]