19887126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{473503}}^1$

素因数の和:473515

約数の個数: 16

約数和(自身を含む): 45456384

約数和(自身を除く): 25569258

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 473503, 947006, 1420509, 2841018, 3314521, 6629042, 9943563, 19887126]

約数ペア:

[(1, 19887126), (2, 9943563), (3, 6629042), (6, 3314521), (7, 2841018), (14, 1420509), (21, 947006), (42, 473503)]