19428878

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 15407602

約数列:

[1, 2, 7, 14, 31, 62, 89, 178, 217, 434, 503, 623, 1006, 1246, 2759, 3521, 5518, 7042, 15593, 19313, 31186, 38626, 44767, 89534, 109151, 218302, 313369, 626738, 1387777, 2775554, 9714439, 19428878]

約数ペア:

[(1, 19428878), (2, 9714439), (7, 2775554), (14, 1387777), (31, 626738), (62, 313369), (89, 218302), (178, 109151), (217, 89534), (434, 44767), (503, 38626), (623, 31186), (1006, 19313), (1246, 15593), (2759, 7042), (3521, 5518)]