221472284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{264919}}^1$

素因数の和:264953

約数の個数: 24

約数和(自身を含む): 445065600

約数和(自身を除く): 223593316

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 264919, 529838, 1059676, 2914109, 5033461, 5828218, 10066922, 11656436, 20133844, 55368071, 110736142, 221472284]

約数ペア:

[(1, 221472284), (2, 110736142), (4, 55368071), (11, 20133844), (19, 11656436), (22, 10066922), (38, 5828218), (44, 5033461), (76, 2914109), (209, 1059676), (418, 529838), (836, 264919)]