19549970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 19749934

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 121, 151, 214, 242, 302, 535, 605, 755, 1070, 1177, 1210, 1510, 1661, 2354, 3322, 5885, 8305, 11770, 12947, 16157, 16610, 18271, 25894, 32314, 36542, 64735, 80785, 91355, 129470, 161570, 177727, 182710, 355454, 888635, 1777270, 1954997, 3909994, 9774985, 19549970]

約数ペア:

[(1, 19549970), (2, 9774985), (5, 3909994), (10, 1954997), (11, 1777270), (22, 888635), (55, 355454), (107, 182710), (110, 177727), (121, 161570), (151, 129470), (214, 91355), (242, 80785), (302, 64735), (535, 36542), (605, 32314), (755, 25894), (1070, 18271), (1177, 16610), (1210, 16157), (1510, 12947), (1661, 11770), (2354, 8305), (3322, 5885)]