18475982

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 33149952

約数和(自身を除く): 14673970

約数列:

[1, 2, 7, 14, 43, 47, 86, 94, 301, 329, 602, 653, 658, 1306, 2021, 4042, 4571, 9142, 14147, 28079, 28294, 30691, 56158, 61382, 196553, 214837, 393106, 429674, 1319713, 2639426, 9237991, 18475982]

約数ペア:

[(1, 18475982), (2, 9237991), (7, 2639426), (14, 1319713), (43, 429674), (47, 393106), (86, 214837), (94, 196553), (301, 61382), (329, 56158), (602, 30691), (653, 28294), (658, 28079), (1306, 14147), (2021, 9142), (4042, 4571)]