19227164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 39177600

約数和(自身を除く): 19950436

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 109, 209, 211, 218, 418, 422, 436, 836, 844, 1199, 2071, 2321, 2398, 4009, 4142, 4642, 4796, 8018, 8284, 9284, 16036, 22781, 22999, 44099, 45562, 45998, 88198, 91124, 91996, 176396, 252989, 436981, 505978, 873962, 1011956, 1747924, 4806791, 9613582, 19227164]

約数ペア:

[(1, 19227164), (2, 9613582), (4, 4806791), (11, 1747924), (19, 1011956), (22, 873962), (38, 505978), (44, 436981), (76, 252989), (109, 176396), (209, 91996), (211, 91124), (218, 88198), (418, 45998), (422, 45562), (436, 44099), (836, 22999), (844, 22781), (1199, 16036), (2071, 9284), (2321, 8284), (2398, 8018), (4009, 4796), (4142, 4642)]