18721896

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{45887}}^1$

素因数の和:45913

約数の個数: 32

約数和(自身を含む): 49559040

約数和(自身を除く): 30837144

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 45887, 91774, 137661, 183548, 275322, 367096, 550644, 780079, 1101288, 1560158, 2340237, 3120316, 4680474, 6240632, 9360948, 18721896]

約数ペア:

[(1, 18721896), (2, 9360948), (3, 6240632), (4, 4680474), (6, 3120316), (8, 2340237), (12, 1560158), (17, 1101288), (24, 780079), (34, 550644), (51, 367096), (68, 275322), (102, 183548), (136, 137661), (204, 91774), (408, 45887)]