19217456

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{1481}}^1$

素因数の和:2300

約数の個数: 20

約数和(自身を含む): 37304904

約数和(自身を除く): 18087448

約数列:

[1, 2, 4, 8, 16, 811, 1481, 1622, 2962, 3244, 5924, 6488, 11848, 12976, 23696, 1201091, 2402182, 4804364, 9608728, 19217456]

約数ペア:

[(1, 19217456), (2, 9608728), (4, 4804364), (8, 2402182), (16, 1201091), (811, 23696), (1481, 12976), (1622, 11848), (2962, 6488), (3244, 5924)]