19544144

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:687

約数の個数: 40

約数和(自身を含む): 39777960

約数和(自身を除く): 20233816

約数列:

[1, 2, 4, 8, 16, 29, 58, 73, 116, 146, 232, 292, 464, 577, 584, 1154, 1168, 2117, 2308, 4234, 4616, 8468, 9232, 16733, 16936, 33466, 33872, 42121, 66932, 84242, 133864, 168484, 267728, 336968, 673936, 1221509, 2443018, 4886036, 9772072, 19544144]

約数ペア:

[(1, 19544144), (2, 9772072), (4, 4886036), (8, 2443018), (16, 1221509), (29, 673936), (58, 336968), (73, 267728), (116, 168484), (146, 133864), (232, 84242), (292, 66932), (464, 42121), (577, 33872), (584, 33466), (1154, 16936), (1168, 16733), (2117, 9232), (2308, 8468), (4234, 4616)]