19054455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 16196745

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 2039, 3115, 6117, 9345, 10195, 14273, 30585, 42819, 71365, 181471, 214095, 544413, 907355, 1270297, 2722065, 3810891, 6351485, 19054455]

約数ペア:

[(1, 19054455), (3, 6351485), (5, 3810891), (7, 2722065), (15, 1270297), (21, 907355), (35, 544413), (89, 214095), (105, 181471), (267, 71365), (445, 42819), (623, 30585), (1335, 14273), (1869, 10195), (2039, 9345), (3115, 6117)]