19504797

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 31200768

約数和(自身を除く): 11695971

約数列:

[1, 3, 13, 17, 31, 39, 51, 73, 93, 169, 219, 221, 403, 507, 527, 663, 949, 1209, 1241, 1581, 2263, 2847, 2873, 3723, 5239, 6789, 6851, 8619, 12337, 15717, 16133, 20553, 29419, 37011, 38471, 48399, 88257, 89063, 115413, 209729, 267189, 382447, 500123, 629187, 1147341, 1500369, 6501599, 19504797]

約数ペア:

[(1, 19504797), (3, 6501599), (13, 1500369), (17, 1147341), (31, 629187), (39, 500123), (51, 382447), (73, 267189), (93, 209729), (169, 115413), (219, 89063), (221, 88257), (403, 48399), (507, 38471), (527, 37011), (663, 29419), (949, 20553), (1209, 16133), (1241, 15717), (1581, 12337), (2263, 8619), (2847, 6851), (2873, 6789), (3723, 5239)]