18658836

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:475

約数の個数: 120

約数和(自身を含む): 58815680

約数和(自身を除く): 40156844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 228, 252, 266, 324, 342, 378, 399, 433, 513, 532, 567, 684, 756, 798, 866, 1026, 1134, 1197, 1299, 1539, 1596, 1732, 2052, 2268, 2394, 2598, 3031, 3078, 3591, 3897, 4788, 5196, 6062, 6156, 7182, 7794, 8227, 9093, 10773, 11691, 12124, 14364, 15588, 16454, 18186, 21546, 23382, 24681, 27279, 32908, 35073, 36372, 43092, 46764, 49362, 54558, 57589, 70146, 74043, 81837, 98724, 109116, 115178, 140292, 148086, 163674, 172767, 222129, 230356, 245511, 296172, 327348, 345534, 444258, 491022, 518301, 666387, 691068, 888516, 982044, 1036602, 1332774, 1554903, 2073204, 2665548, 3109806, 4664709, 6219612, 9329418, 18658836]

約数ペア:

[(1, 18658836), (2, 9329418), (3, 6219612), (4, 4664709), (6, 3109806), (7, 2665548), (9, 2073204), (12, 1554903), (14, 1332774), (18, 1036602), (19, 982044), (21, 888516), (27, 691068), (28, 666387), (36, 518301), (38, 491022), (42, 444258), (54, 345534), (57, 327348), (63, 296172), (76, 245511), (81, 230356), (84, 222129), (108, 172767), (114, 163674), (126, 148086), (133, 140292), (162, 115178), (171, 109116), (189, 98724), (228, 81837), (252, 74043), (266, 70146), (324, 57589), (342, 54558), (378, 49362), (399, 46764), (433, 43092), (513, 36372), (532, 35073), (567, 32908), (684, 27279), (756, 24681), (798, 23382), (866, 21546), (1026, 18186), (1134, 16454), (1197, 15588), (1299, 14364), (1539, 12124), (1596, 11691), (1732, 10773), (2052, 9093), (2268, 8227), (2394, 7794), (2598, 7182), (3031, 6156), (3078, 6062), (3591, 5196), (3897, 4788)]