19982808

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1389

約数の個数: 64

約数和(自身を含む): 56332800

約数和(自身を除く): 36349992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1303, 1704, 1917, 2556, 2606, 3834, 3909, 5112, 5212, 7668, 7818, 10424, 11727, 15336, 15636, 23454, 31272, 35181, 46908, 70362, 92513, 93816, 140724, 185026, 277539, 281448, 370052, 555078, 740104, 832617, 1110156, 1665234, 2220312, 2497851, 3330468, 4995702, 6660936, 9991404, 19982808]

約数ペア:

[(1, 19982808), (2, 9991404), (3, 6660936), (4, 4995702), (6, 3330468), (8, 2497851), (9, 2220312), (12, 1665234), (18, 1110156), (24, 832617), (27, 740104), (36, 555078), (54, 370052), (71, 281448), (72, 277539), (108, 185026), (142, 140724), (213, 93816), (216, 92513), (284, 70362), (426, 46908), (568, 35181), (639, 31272), (852, 23454), (1278, 15636), (1303, 15336), (1704, 11727), (1917, 10424), (2556, 7818), (2606, 7668), (3834, 5212), (3909, 5112)]