18688754

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 33125760

約数和(自身を除く): 14437006

約数列:

[1, 2, 7, 14, 53, 89, 106, 178, 283, 371, 566, 623, 742, 1246, 1981, 3962, 4717, 9434, 14999, 25187, 29998, 33019, 50374, 66038, 104993, 176309, 209986, 352618, 1334911, 2669822, 9344377, 18688754]

約数ペア:

[(1, 18688754), (2, 9344377), (7, 2669822), (14, 1334911), (53, 352618), (89, 209986), (106, 176309), (178, 104993), (283, 66038), (371, 50374), (566, 33019), (623, 29998), (742, 25187), (1246, 14999), (1981, 9434), (3962, 4717)]