221984638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{253987}}^1$

素因数の和:254031

約数の個数: 16

約数和(自身を含む): 365742720

約数和(自身を除く): 143758082

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 253987, 507974, 4825753, 5841701, 9651506, 11683402, 110992319, 221984638]

約数ペア:

[(1, 221984638), (2, 110992319), (19, 11683402), (23, 9651506), (38, 5841701), (46, 4825753), (437, 507974), (874, 253987)]