19640904

素因数分解:

$2^3\times 3^1\times {\mathrm{818371}}^1$

素因数の和:818380

約数の個数: 16

約数和(自身を含む): 49102320

約数和(自身を除く): 29461416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 818371, 1636742, 2455113, 3273484, 4910226, 6546968, 9820452, 19640904]

約数ペア:

[(1, 19640904), (2, 9820452), (3, 6546968), (4, 4910226), (6, 3273484), (8, 2455113), (12, 1636742), (24, 818371)]