221520772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{264977}}^1$

素因数の和:265011

約数の個数: 24

約数和(自身を含む): 445163040

約数和(自身を除く): 223642268

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 264977, 529954, 1059908, 2914747, 5034563, 5829494, 10069126, 11658988, 20138252, 55380193, 110760386, 221520772]

約数ペア:

[(1, 221520772), (2, 110760386), (4, 55380193), (11, 20138252), (19, 11658988), (22, 10069126), (38, 5829494), (44, 5034563), (76, 2914747), (209, 1059908), (418, 529954), (836, 264977)]