19112560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5827}}^1$

素因数の和:5881

約数の個数: 40

約数和(自身を含む): 45528336

約数和(自身を除く): 26415776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5827, 11654, 23308, 29135, 46616, 58270, 93232, 116540, 233080, 238907, 466160, 477814, 955628, 1194535, 1911256, 2389070, 3822512, 4778140, 9556280, 19112560]

約数ペア:

[(1, 19112560), (2, 9556280), (4, 4778140), (5, 3822512), (8, 2389070), (10, 1911256), (16, 1194535), (20, 955628), (40, 477814), (41, 466160), (80, 238907), (82, 233080), (164, 116540), (205, 93232), (328, 58270), (410, 46616), (656, 29135), (820, 23308), (1640, 11654), (3280, 5827)]