19149040

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4057}}^1$

素因数の和:4129

約数の個数: 40

約数和(自身を含む): 45287280

約数和(自身を除く): 26138240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4057, 4720, 8114, 16228, 20285, 32456, 40570, 64912, 81140, 162280, 239363, 324560, 478726, 957452, 1196815, 1914904, 2393630, 3829808, 4787260, 9574520, 19149040]

約数ペア:

[(1, 19149040), (2, 9574520), (4, 4787260), (5, 3829808), (8, 2393630), (10, 1914904), (16, 1196815), (20, 957452), (40, 478726), (59, 324560), (80, 239363), (118, 162280), (236, 81140), (295, 64912), (472, 40570), (590, 32456), (944, 20285), (1180, 16228), (2360, 8114), (4057, 4720)]