18752440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66973}}^1$

素因数の和:66991

約数の個数: 32

約数和(自身を含む): 48221280

約数和(自身を除く): 29468840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66973, 133946, 267892, 334865, 468811, 535784, 669730, 937622, 1339460, 1875244, 2344055, 2678920, 3750488, 4688110, 9376220, 18752440]

約数ペア:

[(1, 18752440), (2, 9376220), (4, 4688110), (5, 3750488), (7, 2678920), (8, 2344055), (10, 1875244), (14, 1339460), (20, 937622), (28, 669730), (35, 535784), (40, 468811), (56, 334865), (70, 267892), (140, 133946), (280, 66973)]