19940192

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20101}}^1$

素因数の和:20142

約数の個数: 24

約数和(自身を含む): 40525632

約数和(自身を除く): 20585440

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20101, 40202, 80404, 160808, 321616, 623131, 643232, 1246262, 2492524, 4985048, 9970096, 19940192]

約数ペア:

[(1, 19940192), (2, 9970096), (4, 4985048), (8, 2492524), (16, 1246262), (31, 643232), (32, 623131), (62, 321616), (124, 160808), (248, 80404), (496, 40202), (992, 20101)]