19666128

素因数分解:

$2^4\times 3^1\times {\mathrm{409711}}^1$

素因数の和:409722

約数の個数: 20

約数和(自身を含む): 50804288

約数和(自身を除く): 31138160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 409711, 819422, 1229133, 1638844, 2458266, 3277688, 4916532, 6555376, 9833064, 19666128]

約数ペア:

[(1, 19666128), (2, 9833064), (3, 6555376), (4, 4916532), (6, 3277688), (8, 2458266), (12, 1638844), (16, 1229133), (24, 819422), (48, 409711)]