19953304

素因数分解:

$2^3\times 7^1\times {\mathrm{587}}^1\times {\mathrm{607}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 22947176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 587, 607, 1174, 1214, 2348, 2428, 4109, 4249, 4696, 4856, 8218, 8498, 16436, 16996, 32872, 33992, 356309, 712618, 1425236, 2494163, 2850472, 4988326, 9976652, 19953304]

約数ペア:

[(1, 19953304), (2, 9976652), (4, 4988326), (7, 2850472), (8, 2494163), (14, 1425236), (28, 712618), (56, 356309), (587, 33992), (607, 32872), (1174, 16996), (1214, 16436), (2348, 8498), (2428, 8218), (4109, 4856), (4249, 4696)]