19485284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 22850716

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 199, 269, 364, 398, 538, 796, 1076, 1393, 1883, 2587, 2786, 3497, 3766, 5174, 5572, 6994, 7532, 10348, 13988, 18109, 24479, 36218, 48958, 53531, 72436, 97916, 107062, 214124, 374717, 695903, 749434, 1391806, 1498868, 2783612, 4871321, 9742642, 19485284]

約数ペア:

[(1, 19485284), (2, 9742642), (4, 4871321), (7, 2783612), (13, 1498868), (14, 1391806), (26, 749434), (28, 695903), (52, 374717), (91, 214124), (182, 107062), (199, 97916), (269, 72436), (364, 53531), (398, 48958), (538, 36218), (796, 24479), (1076, 18109), (1393, 13988), (1883, 10348), (2587, 7532), (2786, 6994), (3497, 5572), (3766, 5174)]