19528915

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 8856365

約数列:

[1, 5, 7, 31, 35, 41, 155, 205, 217, 287, 439, 1085, 1271, 1435, 2195, 3073, 6355, 8897, 13609, 15365, 17999, 44485, 68045, 89995, 95263, 125993, 476315, 557969, 629965, 2789845, 3905783, 19528915]

約数ペア:

[(1, 19528915), (5, 3905783), (7, 2789845), (31, 629965), (35, 557969), (41, 476315), (155, 125993), (205, 95263), (217, 89995), (287, 68045), (439, 44485), (1085, 17999), (1271, 15365), (1435, 13609), (2195, 8897), (3073, 6355)]