19806644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 42072576

約数和(自身を除く): 22265932

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1117, 1364, 1612, 2234, 4433, 4468, 8866, 12287, 14521, 17732, 24574, 29042, 34627, 49148, 58084, 69254, 138508, 159731, 319462, 380897, 450151, 638924, 761794, 900302, 1523588, 1800604, 4951661, 9903322, 19806644]

約数ペア:

[(1, 19806644), (2, 9903322), (4, 4951661), (11, 1800604), (13, 1523588), (22, 900302), (26, 761794), (31, 638924), (44, 450151), (52, 380897), (62, 319462), (124, 159731), (143, 138508), (286, 69254), (341, 58084), (403, 49148), (572, 34627), (682, 29042), (806, 24574), (1117, 17732), (1364, 14521), (1612, 12287), (2234, 8866), (4433, 4468)]