19923184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:937

約数の個数: 40

約数和(自身を含む): 41381280

約数和(自身を除く): 21458096

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 89, 136, 178, 272, 356, 712, 823, 1424, 1513, 1646, 3026, 3292, 6052, 6584, 12104, 13168, 13991, 24208, 27982, 55964, 73247, 111928, 146494, 223856, 292988, 585976, 1171952, 1245199, 2490398, 4980796, 9961592, 19923184]

約数ペア:

[(1, 19923184), (2, 9961592), (4, 4980796), (8, 2490398), (16, 1245199), (17, 1171952), (34, 585976), (68, 292988), (89, 223856), (136, 146494), (178, 111928), (272, 73247), (356, 55964), (712, 27982), (823, 24208), (1424, 13991), (1513, 13168), (1646, 12104), (3026, 6584), (3292, 6052)]