18321810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 29578350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 109, 130, 195, 218, 327, 390, 431, 545, 654, 862, 1090, 1293, 1417, 1635, 2155, 2586, 2834, 3270, 4251, 4310, 5603, 6465, 7085, 8502, 11206, 12930, 14170, 16809, 21255, 28015, 33618, 42510, 46979, 56030, 84045, 93958, 140937, 168090, 234895, 281874, 469790, 610727, 704685, 1221454, 1409370, 1832181, 3053635, 3664362, 6107270, 9160905, 18321810]

約数ペア:

[(1, 18321810), (2, 9160905), (3, 6107270), (5, 3664362), (6, 3053635), (10, 1832181), (13, 1409370), (15, 1221454), (26, 704685), (30, 610727), (39, 469790), (65, 281874), (78, 234895), (109, 168090), (130, 140937), (195, 93958), (218, 84045), (327, 56030), (390, 46979), (431, 42510), (545, 33618), (654, 28015), (862, 21255), (1090, 16809), (1293, 14170), (1417, 12930), (1635, 11206), (2155, 8502), (2586, 7085), (2834, 6465), (3270, 5603), (4251, 4310)]