19746854

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{1109}}^1$

素因数の和:1447

約数の個数: 16

約数和(自身を含む): 30769200

約数和(自身を除く): 11022346

約数列:

[1, 2, 29, 58, 307, 614, 1109, 2218, 8903, 17806, 32161, 64322, 340463, 680926, 9873427, 19746854]

約数ペア:

[(1, 19746854), (2, 9873427), (29, 680926), (58, 340463), (307, 64322), (614, 32161), (1109, 17806), (2218, 8903)]