19249881

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 30831360

約数和(自身を除く): 11581479

約数列:

[1, 3, 7, 21, 29, 73, 87, 203, 219, 433, 511, 609, 1299, 1533, 2117, 3031, 6351, 9093, 12557, 14819, 31609, 37671, 44457, 87899, 94827, 221263, 263697, 663789, 916661, 2749983, 6416627, 19249881]

約数ペア:

[(1, 19249881), (3, 6416627), (7, 2749983), (21, 916661), (29, 663789), (73, 263697), (87, 221263), (203, 94827), (219, 87899), (433, 44457), (511, 37671), (609, 31609), (1299, 14819), (1533, 12557), (2117, 9093), (3031, 6351)]