19019858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 34013952

約数和(自身を除く): 14994094

約数列:

[1, 2, 11, 13, 22, 26, 73, 143, 146, 286, 803, 911, 949, 1606, 1822, 1898, 10021, 10439, 11843, 20042, 20878, 23686, 66503, 130273, 133006, 260546, 731533, 864539, 1463066, 1729078, 9509929, 19019858]

約数ペア:

[(1, 19019858), (2, 9509929), (11, 1729078), (13, 1463066), (22, 864539), (26, 731533), (73, 260546), (143, 133006), (146, 130273), (286, 66503), (803, 23686), (911, 20878), (949, 20042), (1606, 11843), (1822, 10439), (1898, 10021)]