19389634780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1\times {\mathrm{22153}}^1$

素因数の和:22678

約数の個数: 48

約数和(自身を含む): 41201123040

約数和(自身を除く): 21811488260

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 409, 428, 535, 818, 1070, 1636, 2045, 2140, 4090, 8180, 22153, 43763, 44306, 87526, 88612, 110765, 175052, 218815, 221530, 437630, 443060, 875260, 2370371, 4740742, 9060577, 9481484, 11851855, 18121154, 23703710, 36242308, 45302885, 47407420, 90605770, 181211540, 969481739, 1938963478, 3877926956, 4847408695, 9694817390, 19389634780]

約数ペア:

[(1, 19389634780), (2, 9694817390), (4, 4847408695), (5, 3877926956), (10, 1938963478), (20, 969481739), (107, 181211540), (214, 90605770), (409, 47407420), (428, 45302885), (535, 36242308), (818, 23703710), (1070, 18121154), (1636, 11851855), (2045, 9481484), (2140, 9060577), (4090, 4740742), (8180, 2370371), (22153, 875260), (43763, 443060), (44306, 437630), (87526, 221530), (88612, 218815), (110765, 175052)]