1620080638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{203989}}^1$

素因数の和:204040

約数の個数: 24

約数和(自身を含む): 2797926840

約数和(自身を除く): 1177846202

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 3971, 7942, 203989, 407978, 2243879, 3875791, 4487758, 7751582, 42633701, 73640029, 85267402, 147280058, 810040319, 1620080638]

約数ペア:

[(1, 1620080638), (2, 810040319), (11, 147280058), (19, 85267402), (22, 73640029), (38, 42633701), (209, 7751582), (361, 4487758), (418, 3875791), (722, 2243879), (3971, 407978), (7942, 203989)]