18856556980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1\times {\mathrm{19457}}^1$

素因数の和:20544

約数の個数: 48

約数和(自身を含む): 40482602496

約数和(自身を除く): 21626045516

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1031, 2062, 4124, 5155, 10310, 19457, 20620, 38914, 48457, 77828, 96914, 97285, 193828, 194570, 242285, 389140, 484570, 914479, 969140, 1828958, 3657916, 4572395, 9144790, 18289580, 20060167, 40120334, 80240668, 100300835, 200601670, 401203340, 942827849, 1885655698, 3771311396, 4714139245, 9428278490, 18856556980]

約数ペア:

[(1, 18856556980), (2, 9428278490), (4, 4714139245), (5, 3771311396), (10, 1885655698), (20, 942827849), (47, 401203340), (94, 200601670), (188, 100300835), (235, 80240668), (470, 40120334), (940, 20060167), (1031, 18289580), (2062, 9144790), (4124, 4572395), (5155, 3657916), (10310, 1828958), (19457, 969140), (20620, 914479), (38914, 484570), (48457, 389140), (77828, 242285), (96914, 194570), (97285, 193828)]