19913616

素因数分解:

$2^4\times 3^2\times {\mathrm{138289}}^1$

素因数の和:138303

約数の個数: 30

約数和(自身を含む): 55730870

約数和(自身を除く): 35817254

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138289, 276578, 414867, 553156, 829734, 1106312, 1244601, 1659468, 2212624, 2489202, 3318936, 4978404, 6637872, 9956808, 19913616]

約数ペア:

[(1, 19913616), (2, 9956808), (3, 6637872), (4, 4978404), (6, 3318936), (8, 2489202), (9, 2212624), (12, 1659468), (16, 1244601), (18, 1106312), (24, 829734), (36, 553156), (48, 414867), (72, 276578), (144, 138289)]