18914735

素因数分解:

$5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 8301265

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 269, 287, 343, 1345, 1435, 1715, 1883, 2009, 9415, 10045, 11029, 13181, 14063, 55145, 65905, 70315, 77203, 92267, 386015, 461335, 540421, 2702105, 3782947, 18914735]

約数ペア:

[(1, 18914735), (5, 3782947), (7, 2702105), (35, 540421), (41, 461335), (49, 386015), (205, 92267), (245, 77203), (269, 70315), (287, 65905), (343, 55145), (1345, 14063), (1435, 13181), (1715, 11029), (1883, 10045), (2009, 9415)]