18811530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1061}}^1$

素因数の和:1271

約数の個数: 48

約数和(自身を含む): 49204584

約数和(自身を除く): 30393054

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 197, 394, 591, 985, 1061, 1182, 1773, 1970, 2122, 2955, 3183, 3546, 5305, 5910, 6366, 8865, 9549, 10610, 15915, 17730, 19098, 31830, 47745, 95490, 209017, 418034, 627051, 1045085, 1254102, 1881153, 2090170, 3135255, 3762306, 6270510, 9405765, 18811530]

約数ペア:

[(1, 18811530), (2, 9405765), (3, 6270510), (5, 3762306), (6, 3135255), (9, 2090170), (10, 1881153), (15, 1254102), (18, 1045085), (30, 627051), (45, 418034), (90, 209017), (197, 95490), (394, 47745), (591, 31830), (985, 19098), (1061, 17730), (1182, 15915), (1773, 10610), (1970, 9549), (2122, 8865), (2955, 6366), (3183, 5910), (3546, 5305)]