19728834

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1453}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 41316864

約数和(自身を除く): 21588030

約数列:

[1, 2, 3, 6, 31, 62, 73, 93, 146, 186, 219, 438, 1453, 2263, 2906, 4359, 4526, 6789, 8718, 13578, 45043, 90086, 106069, 135129, 212138, 270258, 318207, 636414, 3288139, 6576278, 9864417, 19728834]

約数ペア:

[(1, 19728834), (2, 9864417), (3, 6576278), (6, 3288139), (31, 636414), (62, 318207), (73, 270258), (93, 212138), (146, 135129), (186, 106069), (219, 90086), (438, 45043), (1453, 13578), (2263, 8718), (2906, 6789), (4359, 4526)]