19291788

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10111}}^1$

素因数の和:10174

約数の個数: 36

約数和(自身を含む): 49690368

約数和(自身を除く): 30398580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10111, 20222, 30333, 40444, 60666, 90999, 121332, 181998, 363996, 535883, 1071766, 1607649, 2143532, 3215298, 4822947, 6430596, 9645894, 19291788]

約数ペア:

[(1, 19291788), (2, 9645894), (3, 6430596), (4, 4822947), (6, 3215298), (9, 2143532), (12, 1607649), (18, 1071766), (36, 535883), (53, 363996), (106, 181998), (159, 121332), (212, 90999), (318, 60666), (477, 40444), (636, 30333), (954, 20222), (1908, 10111)]