18568980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 39854700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 137, 180, 251, 270, 274, 411, 502, 540, 548, 685, 753, 822, 1004, 1233, 1255, 1370, 1506, 1644, 2055, 2259, 2466, 2510, 2740, 3012, 3699, 3765, 4110, 4518, 4932, 5020, 6165, 6777, 7398, 7530, 8220, 9036, 11295, 12330, 13554, 14796, 15060, 18495, 22590, 24660, 27108, 33885, 34387, 36990, 45180, 67770, 68774, 73980, 103161, 135540, 137548, 171935, 206322, 309483, 343870, 412644, 515805, 618966, 687740, 928449, 1031610, 1237932, 1547415, 1856898, 2063220, 3094830, 3713796, 4642245, 6189660, 9284490, 18568980]

約数ペア:

[(1, 18568980), (2, 9284490), (3, 6189660), (4, 4642245), (5, 3713796), (6, 3094830), (9, 2063220), (10, 1856898), (12, 1547415), (15, 1237932), (18, 1031610), (20, 928449), (27, 687740), (30, 618966), (36, 515805), (45, 412644), (54, 343870), (60, 309483), (90, 206322), (108, 171935), (135, 137548), (137, 135540), (180, 103161), (251, 73980), (270, 68774), (274, 67770), (411, 45180), (502, 36990), (540, 34387), (548, 33885), (685, 27108), (753, 24660), (822, 22590), (1004, 18495), (1233, 15060), (1255, 14796), (1370, 13554), (1506, 12330), (1644, 11295), (2055, 9036), (2259, 8220), (2466, 7530), (2510, 7398), (2740, 6777), (3012, 6165), (3699, 5020), (3765, 4932), (4110, 4518)]