17885764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 36393280

約数和(自身を除く): 18507516

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 421, 494, 559, 817, 842, 988, 1118, 1634, 1684, 2236, 3268, 5473, 7999, 10621, 10946, 15998, 18103, 21242, 21892, 31996, 36206, 42484, 72412, 103987, 207974, 235339, 343957, 415948, 470678, 687914, 941356, 1375828, 4471441, 8942882, 17885764]

約数ペア:

[(1, 17885764), (2, 8942882), (4, 4471441), (13, 1375828), (19, 941356), (26, 687914), (38, 470678), (43, 415948), (52, 343957), (76, 235339), (86, 207974), (172, 103987), (247, 72412), (421, 42484), (494, 36206), (559, 31996), (817, 21892), (842, 21242), (988, 18103), (1118, 15998), (1634, 10946), (1684, 10621), (2236, 7999), (3268, 5473)]