18130814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 30796416

約数和(自身を除く): 12665602

約数列:

[1, 2, 13, 26, 37, 47, 74, 94, 401, 481, 611, 802, 962, 1222, 1739, 3478, 5213, 10426, 14837, 18847, 22607, 29674, 37694, 45214, 192881, 245011, 385762, 490022, 697339, 1394678, 9065407, 18130814]

約数ペア:

[(1, 18130814), (2, 9065407), (13, 1394678), (26, 697339), (37, 490022), (47, 385762), (74, 245011), (94, 192881), (401, 45214), (481, 37694), (611, 29674), (802, 22607), (962, 18847), (1222, 14837), (1739, 10426), (3478, 5213)]