18433610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 21483190

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 439, 442, 494, 646, 878, 1105, 1235, 1615, 2195, 2210, 2470, 3230, 4199, 4390, 5707, 7463, 8341, 8398, 11414, 14926, 16682, 20995, 28535, 37315, 41705, 41990, 57070, 74630, 83410, 97019, 108433, 141797, 194038, 216866, 283594, 485095, 542165, 708985, 970190, 1084330, 1417970, 1843361, 3686722, 9216805, 18433610]

約数ペア:

[(1, 18433610), (2, 9216805), (5, 3686722), (10, 1843361), (13, 1417970), (17, 1084330), (19, 970190), (26, 708985), (34, 542165), (38, 485095), (65, 283594), (85, 216866), (95, 194038), (130, 141797), (170, 108433), (190, 97019), (221, 83410), (247, 74630), (323, 57070), (439, 41990), (442, 41705), (494, 37315), (646, 28535), (878, 20995), (1105, 16682), (1235, 14926), (1615, 11414), (2195, 8398), (2210, 8341), (2470, 7463), (3230, 5707), (4199, 4390)]