18468285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 34974720

約数和(自身を除く): 16506435

約数列:

[1, 3, 5, 11, 15, 19, 33, 43, 55, 57, 95, 129, 137, 165, 209, 215, 285, 411, 473, 627, 645, 685, 817, 1045, 1419, 1507, 2055, 2365, 2451, 2603, 3135, 4085, 4521, 5891, 7095, 7535, 7809, 8987, 12255, 13015, 17673, 22605, 26961, 28633, 29455, 39045, 44935, 64801, 85899, 88365, 111929, 134805, 143165, 194403, 324005, 335787, 429495, 559645, 972015, 1231219, 1678935, 3693657, 6156095, 18468285]

約数ペア:

[(1, 18468285), (3, 6156095), (5, 3693657), (11, 1678935), (15, 1231219), (19, 972015), (33, 559645), (43, 429495), (55, 335787), (57, 324005), (95, 194403), (129, 143165), (137, 134805), (165, 111929), (209, 88365), (215, 85899), (285, 64801), (411, 44935), (473, 39045), (627, 29455), (645, 28633), (685, 26961), (817, 22605), (1045, 17673), (1419, 13015), (1507, 12255), (2055, 8987), (2365, 7809), (2451, 7535), (2603, 7095), (3135, 5891), (4085, 4521)]