20190430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{919}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 39412800

約数和(自身を除く): 19222370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 919, 1690, 1838, 2197, 4394, 4595, 9190, 10985, 11947, 21970, 23894, 59735, 119470, 155311, 310622, 776555, 1553110, 2019043, 4038086, 10095215, 20190430]

約数ペア:

[(1, 20190430), (2, 10095215), (5, 4038086), (10, 2019043), (13, 1553110), (26, 776555), (65, 310622), (130, 155311), (169, 119470), (338, 59735), (845, 23894), (919, 21970), (1690, 11947), (1838, 10985), (2197, 9190), (4394, 4595)]