19530064

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15451}}^1$

素因数の和:15538

約数の個数: 20

約数和(自身を含む): 38320960

約数和(自身を除く): 18790896

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15451, 30902, 61804, 123608, 247216, 1220629, 2441258, 4882516, 9765032, 19530064]

約数ペア:

[(1, 19530064), (2, 9765032), (4, 4882516), (8, 2441258), (16, 1220629), (79, 247216), (158, 123608), (316, 61804), (632, 30902), (1264, 15451)]