18591664

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^2$

素因数の和:254

約数の個数: 60

約数和(自身を含む): 44729776

約数和(自身を除く): 26138112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 113, 182, 208, 226, 364, 452, 728, 791, 904, 1456, 1469, 1582, 1808, 2938, 3164, 5876, 6328, 10283, 11752, 12656, 12769, 20566, 23504, 25538, 41132, 51076, 82264, 89383, 102152, 164528, 165997, 178766, 204304, 331994, 357532, 663988, 715064, 1161979, 1327976, 1430128, 2323958, 2655952, 4647916, 9295832, 18591664]

約数ペア:

[(1, 18591664), (2, 9295832), (4, 4647916), (7, 2655952), (8, 2323958), (13, 1430128), (14, 1327976), (16, 1161979), (26, 715064), (28, 663988), (52, 357532), (56, 331994), (91, 204304), (104, 178766), (112, 165997), (113, 164528), (182, 102152), (208, 89383), (226, 82264), (364, 51076), (452, 41132), (728, 25538), (791, 23504), (904, 20566), (1456, 12769), (1469, 12656), (1582, 11752), (1808, 10283), (2938, 6328), (3164, 5876)]