19405204

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 22930796

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 356, 364, 599, 623, 1157, 1198, 1246, 2314, 2396, 2492, 4193, 4628, 7787, 8099, 8386, 15574, 16198, 16772, 31148, 32396, 53311, 54509, 106622, 109018, 213244, 218036, 373177, 693043, 746354, 1386086, 1492708, 2772172, 4851301, 9702602, 19405204]

約数ペア:

[(1, 19405204), (2, 9702602), (4, 4851301), (7, 2772172), (13, 1492708), (14, 1386086), (26, 746354), (28, 693043), (52, 373177), (89, 218036), (91, 213244), (178, 109018), (182, 106622), (356, 54509), (364, 53311), (599, 32396), (623, 31148), (1157, 16772), (1198, 16198), (1246, 15574), (2314, 8386), (2396, 8099), (2492, 7787), (4193, 4628)]