18658444

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16253}}^1$

素因数の和:16305

約数の個数: 24

約数和(自身を含む): 38229408

約数和(自身を除く): 19570964

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 16253, 32506, 65012, 113771, 227542, 455084, 666373, 1332746, 2665492, 4664611, 9329222, 18658444]

約数ペア:

[(1, 18658444), (2, 9329222), (4, 4664611), (7, 2665492), (14, 1332746), (28, 666373), (41, 455084), (82, 227542), (164, 113771), (287, 65012), (574, 32506), (1148, 16253)]