19753893

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 29586648

約数和(自身を除く): 9832755

約数列:

[1, 3, 9, 37, 111, 137, 333, 411, 433, 1233, 1299, 3897, 5069, 15207, 16021, 45621, 48063, 59321, 144189, 177963, 533889, 2194877, 6584631, 19753893]

約数ペア:

[(1, 19753893), (3, 6584631), (9, 2194877), (37, 533889), (111, 177963), (137, 144189), (333, 59321), (411, 48063), (433, 45621), (1233, 16021), (1299, 15207), (3897, 5069)]