18321184

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 41731200

約数和(自身を除く): 23410016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 919, 1246, 1424, 1838, 2492, 2848, 3676, 4984, 6433, 7352, 9968, 12866, 14704, 19936, 25732, 29408, 51464, 81791, 102928, 163582, 205856, 327164, 572537, 654328, 1145074, 1308656, 2290148, 2617312, 4580296, 9160592, 18321184]

約数ペア:

[(1, 18321184), (2, 9160592), (4, 4580296), (7, 2617312), (8, 2290148), (14, 1308656), (16, 1145074), (28, 654328), (32, 572537), (56, 327164), (89, 205856), (112, 163582), (178, 102928), (224, 81791), (356, 51464), (623, 29408), (712, 25732), (919, 19936), (1246, 14704), (1424, 12866), (1838, 9968), (2492, 7352), (2848, 6433), (3676, 4984)]