187821764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4421}}^1$

素因数の和:4500

約数の個数: 48

約数和(自身を含む): 381353280

約数和(自身を除く): 193531516

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 817, 988, 1118, 1634, 2236, 3268, 4421, 8842, 10621, 17684, 21242, 42484, 57473, 83999, 114946, 167998, 190103, 229892, 335996, 380206, 760412, 1091987, 2183974, 2471339, 3611957, 4367948, 4942678, 7223914, 9885356, 14447828, 46955441, 93910882, 187821764]

約数ペア:

[(1, 187821764), (2, 93910882), (4, 46955441), (13, 14447828), (19, 9885356), (26, 7223914), (38, 4942678), (43, 4367948), (52, 3611957), (76, 2471339), (86, 2183974), (172, 1091987), (247, 760412), (494, 380206), (559, 335996), (817, 229892), (988, 190103), (1118, 167998), (1634, 114946), (2236, 83999), (3268, 57473), (4421, 42484), (8842, 21242), (10621, 17684)]