18971660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55799}}^1$

素因数の和:55825

約数の個数: 24

約数和(自身を含む): 42184800

約数和(自身を除く): 23213140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55799, 111598, 223196, 278995, 557990, 948583, 1115980, 1897166, 3794332, 4742915, 9485830, 18971660]

約数ペア:

[(1, 18971660), (2, 9485830), (4, 4742915), (5, 3794332), (10, 1897166), (17, 1115980), (20, 948583), (34, 557990), (68, 278995), (85, 223196), (170, 111598), (340, 55799)]