18211878

素因数分解:

$2^1\times 3^6\times {\mathrm{12491}}^1$

素因数の和:12511

約数の個数: 28

約数和(自身を含む): 40961268

約数和(自身を除く): 22749390

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 12491, 24982, 37473, 74946, 112419, 224838, 337257, 674514, 1011771, 2023542, 3035313, 6070626, 9105939, 18211878]

約数ペア:

[(1, 18211878), (2, 9105939), (3, 6070626), (6, 3035313), (9, 2023542), (18, 1011771), (27, 674514), (54, 337257), (81, 224838), (162, 112419), (243, 74946), (486, 37473), (729, 24982), (1458, 12491)]