18198675

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 120

約数和(自身を含む): 39610560

約数和(自身を除く): 21411885

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 27, 33, 43, 45, 55, 57, 75, 81, 95, 99, 129, 135, 165, 171, 209, 215, 225, 275, 285, 297, 387, 405, 473, 475, 495, 513, 627, 645, 675, 817, 825, 855, 891, 1045, 1075, 1161, 1419, 1425, 1485, 1539, 1881, 1935, 2025, 2365, 2451, 2475, 2565, 3135, 3225, 3483, 4085, 4257, 4275, 4455, 5225, 5643, 5805, 7095, 7353, 7425, 7695, 8987, 9405, 9675, 11825, 12255, 12771, 12825, 15675, 16929, 17415, 20425, 21285, 22059, 22275, 26961, 28215, 29025, 35475, 36765, 38313, 38475, 44935, 47025, 61275, 63855, 66177, 80883, 84645, 87075, 106425, 110295, 134805, 141075, 183825, 191565, 224675, 242649, 319275, 330885, 404415, 423225, 551475, 674025, 727947, 957825, 1213245, 1654425, 2022075, 3639735, 6066225, 18198675]

約数ペア:

[(1, 18198675), (3, 6066225), (5, 3639735), (9, 2022075), (11, 1654425), (15, 1213245), (19, 957825), (25, 727947), (27, 674025), (33, 551475), (43, 423225), (45, 404415), (55, 330885), (57, 319275), (75, 242649), (81, 224675), (95, 191565), (99, 183825), (129, 141075), (135, 134805), (165, 110295), (171, 106425), (209, 87075), (215, 84645), (225, 80883), (275, 66177), (285, 63855), (297, 61275), (387, 47025), (405, 44935), (473, 38475), (475, 38313), (495, 36765), (513, 35475), (627, 29025), (645, 28215), (675, 26961), (817, 22275), (825, 22059), (855, 21285), (891, 20425), (1045, 17415), (1075, 16929), (1161, 15675), (1419, 12825), (1425, 12771), (1485, 12255), (1539, 11825), (1881, 9675), (1935, 9405), (2025, 8987), (2365, 7695), (2451, 7425), (2475, 7353), (2565, 7095), (3135, 5805), (3225, 5643), (3483, 5225), (4085, 4455), (4257, 4275)]