18509152

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 37784880

約数和(自身を除く): 19275728

約数列:

[1, 2, 4, 8, 16, 32, 67, 89, 97, 134, 178, 194, 268, 356, 388, 536, 712, 776, 1072, 1424, 1552, 2144, 2848, 3104, 5963, 6499, 8633, 11926, 12998, 17266, 23852, 25996, 34532, 47704, 51992, 69064, 95408, 103984, 138128, 190816, 207968, 276256, 578411, 1156822, 2313644, 4627288, 9254576, 18509152]

約数ペア:

[(1, 18509152), (2, 9254576), (4, 4627288), (8, 2313644), (16, 1156822), (32, 578411), (67, 276256), (89, 207968), (97, 190816), (134, 138128), (178, 103984), (194, 95408), (268, 69064), (356, 51992), (388, 47704), (536, 34532), (712, 25996), (776, 23852), (1072, 17266), (1424, 12998), (1552, 11926), (2144, 8633), (2848, 6499), (3104, 5963)]