18797880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3643}}^1$

素因数の和:3700

約数の個数: 64

約数和(自身を含む): 57720960

約数和(自身を除く): 38923080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3643, 5160, 7286, 10929, 14572, 18215, 21858, 29144, 36430, 43716, 54645, 72860, 87432, 109290, 145720, 156649, 218580, 313298, 437160, 469947, 626596, 783245, 939894, 1253192, 1566490, 1879788, 2349735, 3132980, 3759576, 4699470, 6265960, 9398940, 18797880]

約数ペア:

[(1, 18797880), (2, 9398940), (3, 6265960), (4, 4699470), (5, 3759576), (6, 3132980), (8, 2349735), (10, 1879788), (12, 1566490), (15, 1253192), (20, 939894), (24, 783245), (30, 626596), (40, 469947), (43, 437160), (60, 313298), (86, 218580), (120, 156649), (129, 145720), (172, 109290), (215, 87432), (258, 72860), (344, 54645), (430, 43716), (516, 36430), (645, 29144), (860, 21858), (1032, 18215), (1290, 14572), (1720, 10929), (2580, 7286), (3643, 5160)]