19609425

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 41664000

約数和(自身を除く): 22054575

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 27, 33, 45, 55, 57, 75, 95, 99, 135, 139, 165, 171, 209, 225, 275, 285, 297, 417, 475, 495, 513, 627, 675, 695, 825, 855, 1045, 1251, 1425, 1485, 1529, 1881, 2085, 2475, 2565, 2641, 3135, 3475, 3753, 4275, 4587, 5225, 5643, 6255, 7425, 7645, 7923, 9405, 10425, 12825, 13205, 13761, 15675, 18765, 22935, 23769, 28215, 29051, 31275, 38225, 39615, 41283, 47025, 66025, 68805, 71307, 87153, 93825, 114675, 118845, 141075, 145255, 198075, 206415, 261459, 344025, 356535, 435765, 594225, 726275, 784377, 1032075, 1307295, 1782675, 2178825, 3921885, 6536475, 19609425]

約数ペア:

[(1, 19609425), (3, 6536475), (5, 3921885), (9, 2178825), (11, 1782675), (15, 1307295), (19, 1032075), (25, 784377), (27, 726275), (33, 594225), (45, 435765), (55, 356535), (57, 344025), (75, 261459), (95, 206415), (99, 198075), (135, 145255), (139, 141075), (165, 118845), (171, 114675), (209, 93825), (225, 87153), (275, 71307), (285, 68805), (297, 66025), (417, 47025), (475, 41283), (495, 39615), (513, 38225), (627, 31275), (675, 29051), (695, 28215), (825, 23769), (855, 22935), (1045, 18765), (1251, 15675), (1425, 13761), (1485, 13205), (1529, 12825), (1881, 10425), (2085, 9405), (2475, 7923), (2565, 7645), (2641, 7425), (3135, 6255), (3475, 5643), (3753, 5225), (4275, 4587)]