18038115

素因数分解:

$3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1597}}^1$

素因数の和:1859

約数の個数: 24

約数和(自身を含む): 31410288

約数和(自身を除く): 13372173

約数列:

[1, 3, 5, 9, 15, 45, 251, 753, 1255, 1597, 2259, 3765, 4791, 7985, 11295, 14373, 23955, 71865, 400847, 1202541, 2004235, 3607623, 6012705, 18038115]

約数ペア:

[(1, 18038115), (3, 6012705), (5, 3607623), (9, 2004235), (15, 1202541), (45, 400847), (251, 71865), (753, 23955), (1255, 14373), (1597, 11295), (2259, 7985), (3765, 4791)]