19758100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10399}}^1$

素因数の和:10432

約数の個数: 36

約数和(自身を含む): 45136000

約数和(自身を除く): 25377900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10399, 20798, 41596, 51995, 103990, 197581, 207980, 259975, 395162, 519950, 790324, 987905, 1039900, 1975810, 3951620, 4939525, 9879050, 19758100]

約数ペア:

[(1, 19758100), (2, 9879050), (4, 4939525), (5, 3951620), (10, 1975810), (19, 1039900), (20, 987905), (25, 790324), (38, 519950), (50, 395162), (76, 259975), (95, 207980), (100, 197581), (190, 103990), (380, 51995), (475, 41596), (950, 20798), (1900, 10399)]