18064300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4201}}^1$

素因数の和:4258

約数の個数: 36

約数和(自身を含む): 40120696

約数和(自身を除く): 22056396

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4201, 4300, 8402, 16804, 21005, 42010, 84020, 105025, 180643, 210050, 361286, 420100, 722572, 903215, 1806430, 3612860, 4516075, 9032150, 18064300]

約数ペア:

[(1, 18064300), (2, 9032150), (4, 4516075), (5, 3612860), (10, 1806430), (20, 903215), (25, 722572), (43, 420100), (50, 361286), (86, 210050), (100, 180643), (172, 105025), (215, 84020), (430, 42010), (860, 21005), (1075, 16804), (2150, 8402), (4201, 4300)]