18814988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1021}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 35025984

約数和(自身を除く): 16210996

約数列:

[1, 2, 4, 17, 34, 68, 271, 542, 1021, 1084, 2042, 4084, 4607, 9214, 17357, 18428, 34714, 69428, 276691, 553382, 1106764, 4703747, 9407494, 18814988]

約数ペア:

[(1, 18814988), (2, 9407494), (4, 4703747), (17, 1106764), (34, 553382), (68, 276691), (271, 69428), (542, 34714), (1021, 18428), (1084, 17357), (2042, 9214), (4084, 4607)]