19877478

素因数分解:

$2^1\times 3^1\times {\mathrm{991}}^1\times {\mathrm{3343}}^1$

素因数の和:4339

約数の個数: 16

約数和(自身を含む): 39806976

約数和(自身を除く): 19929498

約数列:

[1, 2, 3, 6, 991, 1982, 2973, 3343, 5946, 6686, 10029, 20058, 3312913, 6625826, 9938739, 19877478]

約数ペア:

[(1, 19877478), (2, 9938739), (3, 6625826), (6, 3312913), (991, 20058), (1982, 10029), (2973, 6686), (3343, 5946)]