19668154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 14523206

約数列:

[1, 2, 11, 19, 22, 38, 209, 211, 223, 418, 422, 446, 2321, 2453, 4009, 4237, 4642, 4906, 8018, 8474, 44099, 46607, 47053, 88198, 93214, 94106, 517583, 894007, 1035166, 1788014, 9834077, 19668154]

約数ペア:

[(1, 19668154), (2, 9834077), (11, 1788014), (19, 1035166), (22, 894007), (38, 517583), (209, 94106), (211, 93214), (223, 88198), (418, 47053), (422, 46607), (446, 44099), (2321, 8474), (2453, 8018), (4009, 4906), (4237, 4642)]