19186520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15473}}^1$

素因数の和:15515

約数の個数: 32

約数和(自身を含む): 44565120

約数和(自身を除く): 25378600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15473, 30946, 61892, 77365, 123784, 154730, 309460, 479663, 618920, 959326, 1918652, 2398315, 3837304, 4796630, 9593260, 19186520]

約数ペア:

[(1, 19186520), (2, 9593260), (4, 4796630), (5, 3837304), (8, 2398315), (10, 1918652), (20, 959326), (31, 618920), (40, 479663), (62, 309460), (124, 154730), (155, 123784), (248, 77365), (310, 61892), (620, 30946), (1240, 15473)]