19872788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{829}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 37579080

約数和(自身を除く): 17706292

約数列:

[1, 2, 4, 13, 26, 52, 461, 829, 922, 1658, 1844, 3316, 5993, 10777, 11986, 21554, 23972, 43108, 382169, 764338, 1528676, 4968197, 9936394, 19872788]

約数ペア:

[(1, 19872788), (2, 9936394), (4, 4968197), (13, 1528676), (26, 764338), (52, 382169), (461, 43108), (829, 23972), (922, 21554), (1658, 11986), (1844, 10777), (3316, 5993)]