18752498

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 30748032

約数和(自身を除く): 11995534

約数列:

[1, 2, 23, 41, 46, 61, 82, 122, 163, 326, 943, 1403, 1886, 2501, 2806, 3749, 5002, 6683, 7498, 9943, 13366, 19886, 57523, 115046, 153709, 228689, 307418, 407663, 457378, 815326, 9376249, 18752498]

約数ペア:

[(1, 18752498), (2, 9376249), (23, 815326), (41, 457378), (46, 407663), (61, 307418), (82, 228689), (122, 153709), (163, 115046), (326, 57523), (943, 19886), (1403, 13366), (1886, 9943), (2501, 7498), (2806, 6683), (3749, 5002)]