18965160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 62244000

約数和(自身を除く): 43278840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 379, 417, 556, 695, 758, 834, 1112, 1137, 1251, 1390, 1516, 1668, 1895, 2085, 2274, 2502, 2780, 3032, 3336, 3411, 3790, 4170, 4548, 5004, 5560, 5685, 6255, 6822, 7580, 8340, 9096, 10008, 11370, 12510, 13644, 15160, 16680, 17055, 22740, 25020, 27288, 34110, 45480, 50040, 52681, 68220, 105362, 136440, 158043, 210724, 263405, 316086, 421448, 474129, 526810, 632172, 790215, 948258, 1053620, 1264344, 1580430, 1896516, 2107240, 2370645, 3160860, 3793032, 4741290, 6321720, 9482580, 18965160]

約数ペア:

[(1, 18965160), (2, 9482580), (3, 6321720), (4, 4741290), (5, 3793032), (6, 3160860), (8, 2370645), (9, 2107240), (10, 1896516), (12, 1580430), (15, 1264344), (18, 1053620), (20, 948258), (24, 790215), (30, 632172), (36, 526810), (40, 474129), (45, 421448), (60, 316086), (72, 263405), (90, 210724), (120, 158043), (139, 136440), (180, 105362), (278, 68220), (360, 52681), (379, 50040), (417, 45480), (556, 34110), (695, 27288), (758, 25020), (834, 22740), (1112, 17055), (1137, 16680), (1251, 15160), (1390, 13644), (1516, 12510), (1668, 11370), (1895, 10008), (2085, 9096), (2274, 8340), (2502, 7580), (2780, 6822), (3032, 6255), (3336, 5685), (3411, 5560), (3790, 5004), (4170, 4548)]