19147695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 37252608

約数和(自身を除く): 18104913

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 289, 357, 595, 631, 867, 1445, 1785, 1893, 2023, 3155, 4335, 4417, 6069, 9465, 10115, 10727, 13251, 22085, 30345, 32181, 53635, 66255, 75089, 160905, 182359, 225267, 375445, 547077, 911795, 1126335, 1276513, 2735385, 3829539, 6382565, 19147695]

約数ペア:

[(1, 19147695), (3, 6382565), (5, 3829539), (7, 2735385), (15, 1276513), (17, 1126335), (21, 911795), (35, 547077), (51, 375445), (85, 225267), (105, 182359), (119, 160905), (255, 75089), (289, 66255), (357, 53635), (595, 32181), (631, 30345), (867, 22085), (1445, 13251), (1785, 10727), (1893, 10115), (2023, 9465), (3155, 6069), (4335, 4417)]