19785165

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 13309491

約数列:

[1, 3, 5, 15, 41, 53, 123, 159, 205, 265, 607, 615, 795, 1821, 2173, 3035, 6519, 9105, 10865, 24887, 32171, 32595, 74661, 96513, 124435, 160855, 373305, 482565, 1319011, 3957033, 6595055, 19785165]

約数ペア:

[(1, 19785165), (3, 6595055), (5, 3957033), (15, 1319011), (41, 482565), (53, 373305), (123, 160855), (159, 124435), (205, 96513), (265, 74661), (607, 32595), (615, 32171), (795, 24887), (1821, 10865), (2173, 9105), (3035, 6519)]