19904172

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{87299}}^1$

素因数の和:87325

約数の個数: 24

約数和(自身を含む): 48888000

約数和(自身を除く): 28983828

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 87299, 174598, 261897, 349196, 523794, 1047588, 1658681, 3317362, 4976043, 6634724, 9952086, 19904172]

約数ペア:

[(1, 19904172), (2, 9952086), (3, 6634724), (4, 4976043), (6, 3317362), (12, 1658681), (19, 1047588), (38, 523794), (57, 349196), (76, 261897), (114, 174598), (228, 87299)]