17994760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9181}}^1$

素因数の和:9206

約数の個数: 48

約数和(自身を含む): 47103660

約数和(自身を除く): 29108900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9181, 18362, 36724, 45905, 64267, 73448, 91810, 128534, 183620, 257068, 321335, 367240, 449869, 514136, 642670, 899738, 1285340, 1799476, 2249345, 2570680, 3598952, 4498690, 8997380, 17994760]

約数ペア:

[(1, 17994760), (2, 8997380), (4, 4498690), (5, 3598952), (7, 2570680), (8, 2249345), (10, 1799476), (14, 1285340), (20, 899738), (28, 642670), (35, 514136), (40, 449869), (49, 367240), (56, 321335), (70, 257068), (98, 183620), (140, 128534), (196, 91810), (245, 73448), (280, 64267), (392, 45905), (490, 36724), (980, 18362), (1960, 9181)]