18052090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 40032000

約数和(自身を除く): 21979910

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 277, 343, 490, 554, 665, 686, 931, 1330, 1385, 1715, 1862, 1939, 2770, 3430, 3878, 4655, 5263, 6517, 9310, 9695, 10526, 13034, 13573, 19390, 26315, 27146, 32585, 36841, 52630, 65170, 67865, 73682, 95011, 135730, 184205, 190022, 257887, 368410, 475055, 515774, 950110, 1289435, 1805209, 2578870, 3610418, 9026045, 18052090]

約数ペア:

[(1, 18052090), (2, 9026045), (5, 3610418), (7, 2578870), (10, 1805209), (14, 1289435), (19, 950110), (35, 515774), (38, 475055), (49, 368410), (70, 257887), (95, 190022), (98, 184205), (133, 135730), (190, 95011), (245, 73682), (266, 67865), (277, 65170), (343, 52630), (490, 36841), (554, 32585), (665, 27146), (686, 26315), (931, 19390), (1330, 13573), (1385, 13034), (1715, 10526), (1862, 9695), (1939, 9310), (2770, 6517), (3430, 5263), (3878, 4655)]