18262839

素因数分解:

$3^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{439}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 28490880

約数和(自身を除く): 10228041

約数列:

[1, 3, 7, 21, 49, 147, 283, 439, 849, 1317, 1981, 3073, 5943, 9219, 13867, 21511, 41601, 64533, 124237, 372711, 869659, 2608977, 6087613, 18262839]

約数ペア:

[(1, 18262839), (3, 6087613), (7, 2608977), (21, 869659), (49, 372711), (147, 124237), (283, 64533), (439, 41601), (849, 21511), (1317, 13867), (1981, 9219), (3073, 5943)]