19109860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12409}}^1$

素因数の和:12436

約数の個数: 48

約数和(自身を含む): 50037120

約数和(自身を除く): 30927260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 12409, 24818, 49636, 62045, 86863, 124090, 136499, 173726, 248180, 272998, 347452, 434315, 545996, 682495, 868630, 955493, 1364990, 1737260, 1910986, 2729980, 3821972, 4777465, 9554930, 19109860]

約数ペア:

[(1, 19109860), (2, 9554930), (4, 4777465), (5, 3821972), (7, 2729980), (10, 1910986), (11, 1737260), (14, 1364990), (20, 955493), (22, 868630), (28, 682495), (35, 545996), (44, 434315), (55, 347452), (70, 272998), (77, 248180), (110, 173726), (140, 136499), (154, 124090), (220, 86863), (308, 62045), (385, 49636), (770, 24818), (1540, 12409)]