19536560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12853}}^1$

素因数の和:12885

約数の個数: 40

約数和(自身を含む): 47816880

約数和(自身を除く): 28280320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12853, 25706, 51412, 64265, 102824, 128530, 205648, 244207, 257060, 488414, 514120, 976828, 1028240, 1221035, 1953656, 2442070, 3907312, 4884140, 9768280, 19536560]

約数ペア:

[(1, 19536560), (2, 9768280), (4, 4884140), (5, 3907312), (8, 2442070), (10, 1953656), (16, 1221035), (19, 1028240), (20, 976828), (38, 514120), (40, 488414), (76, 257060), (80, 244207), (95, 205648), (152, 128530), (190, 102824), (304, 64265), (380, 51412), (760, 25706), (1520, 12853)]