18708105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 32465664

約数和(自身を除く): 13757559

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 197, 487, 591, 985, 1461, 2435, 2561, 2955, 6331, 7305, 7683, 12805, 18993, 31655, 38415, 94965, 95939, 287817, 479695, 1247207, 1439085, 3741621, 6236035, 18708105]

約数ペア:

[(1, 18708105), (3, 6236035), (5, 3741621), (13, 1439085), (15, 1247207), (39, 479695), (65, 287817), (195, 95939), (197, 94965), (487, 38415), (591, 31655), (985, 18993), (1461, 12805), (2435, 7683), (2561, 7305), (2955, 6331)]