19569902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 33225984

約数和(自身を除く): 13656082

約数列:

[1, 2, 11, 22, 43, 86, 137, 151, 274, 302, 473, 946, 1507, 1661, 3014, 3322, 5891, 6493, 11782, 12986, 20687, 41374, 64801, 71423, 129602, 142846, 227557, 455114, 889541, 1779082, 9784951, 19569902]

約数ペア:

[(1, 19569902), (2, 9784951), (11, 1779082), (22, 889541), (43, 455114), (86, 227557), (137, 142846), (151, 129602), (274, 71423), (302, 64801), (473, 41374), (946, 20687), (1507, 12986), (1661, 11782), (3014, 6493), (3322, 5891)]