19528750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:958

約数の個数: 40

約数和(自身を含む): 38800080

約数和(自身を除く): 19271330

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 625, 850, 919, 1250, 1838, 2125, 4250, 4595, 9190, 10625, 15623, 21250, 22975, 31246, 45950, 78115, 114875, 156230, 229750, 390575, 574375, 781150, 1148750, 1952875, 3905750, 9764375, 19528750]

約数ペア:

[(1, 19528750), (2, 9764375), (5, 3905750), (10, 1952875), (17, 1148750), (25, 781150), (34, 574375), (50, 390575), (85, 229750), (125, 156230), (170, 114875), (250, 78115), (425, 45950), (625, 31246), (850, 22975), (919, 21250), (1250, 15623), (1838, 10625), (2125, 9190), (4250, 4595)]