19908324

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{17839}}^1$

素因数の和:17880

約数の個数: 36

約数和(自身を含む): 51950080

約数和(自身を除く): 32041756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 17839, 35678, 53517, 71356, 107034, 160551, 214068, 321102, 553009, 642204, 1106018, 1659027, 2212036, 3318054, 4977081, 6636108, 9954162, 19908324]

約数ペア:

[(1, 19908324), (2, 9954162), (3, 6636108), (4, 4977081), (6, 3318054), (9, 2212036), (12, 1659027), (18, 1106018), (31, 642204), (36, 553009), (62, 321102), (93, 214068), (124, 160551), (186, 107034), (279, 71356), (372, 53517), (558, 35678), (1116, 17839)]