19184048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:789

約数の個数: 40

約数和(自身を含む): 40362000

約数和(自身を除く): 21177952

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 298, 596, 619, 1192, 1238, 1937, 2384, 2476, 3874, 4952, 7748, 8047, 9904, 15496, 16094, 30992, 32188, 64376, 92231, 128752, 184462, 368924, 737848, 1199003, 1475696, 2398006, 4796012, 9592024, 19184048]

約数ペア:

[(1, 19184048), (2, 9592024), (4, 4796012), (8, 2398006), (13, 1475696), (16, 1199003), (26, 737848), (52, 368924), (104, 184462), (149, 128752), (208, 92231), (298, 64376), (596, 32188), (619, 30992), (1192, 16094), (1238, 15496), (1937, 9904), (2384, 8047), (2476, 7748), (3874, 4952)]