18402065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 7144687

約数列:

[1, 5, 11, 31, 43, 55, 155, 215, 251, 341, 473, 1255, 1333, 1705, 2365, 2761, 6665, 7781, 10793, 13805, 14663, 38905, 53965, 73315, 85591, 118723, 334583, 427955, 593615, 1672915, 3680413, 18402065]

約数ペア:

[(1, 18402065), (5, 3680413), (11, 1672915), (31, 593615), (43, 427955), (55, 334583), (155, 118723), (215, 85591), (251, 73315), (341, 53965), (473, 38905), (1255, 14663), (1333, 13805), (1705, 10793), (2365, 7781), (2761, 6665)]