19223193

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 32440320

約数和(自身を除く): 13217127

約数列:

[1, 3, 11, 19, 23, 31, 33, 43, 57, 69, 93, 129, 209, 253, 341, 437, 473, 589, 627, 713, 759, 817, 989, 1023, 1311, 1333, 1419, 1767, 2139, 2451, 2967, 3999, 4807, 6479, 7843, 8987, 10879, 13547, 14421, 14663, 18791, 19437, 23529, 25327, 26961, 30659, 32637, 40641, 43989, 56373, 75981, 91977, 149017, 206701, 278597, 337249, 447051, 582521, 620103, 835791, 1011747, 1747563, 6407731, 19223193]

約数ペア:

[(1, 19223193), (3, 6407731), (11, 1747563), (19, 1011747), (23, 835791), (31, 620103), (33, 582521), (43, 447051), (57, 337249), (69, 278597), (93, 206701), (129, 149017), (209, 91977), (253, 75981), (341, 56373), (437, 43989), (473, 40641), (589, 32637), (627, 30659), (713, 26961), (759, 25327), (817, 23529), (989, 19437), (1023, 18791), (1311, 14663), (1333, 14421), (1419, 13547), (1767, 10879), (2139, 8987), (2451, 7843), (2967, 6479), (3999, 4807)]