18697910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3469}}^1$

素因数の和:3501

約数の個数: 48

約数和(自身を含む): 42722640

約数和(自身を除く): 24024730

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3469, 5390, 6938, 17345, 24283, 34690, 38159, 48566, 76318, 121415, 169981, 190795, 242830, 267113, 339962, 381590, 534226, 849905, 1335565, 1699810, 1869791, 2671130, 3739582, 9348955, 18697910]

約数ペア:

[(1, 18697910), (2, 9348955), (5, 3739582), (7, 2671130), (10, 1869791), (11, 1699810), (14, 1335565), (22, 849905), (35, 534226), (49, 381590), (55, 339962), (70, 267113), (77, 242830), (98, 190795), (110, 169981), (154, 121415), (245, 76318), (385, 48566), (490, 38159), (539, 34690), (770, 24283), (1078, 17345), (2695, 6938), (3469, 5390)]