18773936

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:369

約数の個数: 40

約数和(自身を含む): 37539264

約数和(自身を除く): 18765328

約数列:

[1, 2, 4, 8, 16, 67, 83, 134, 166, 211, 268, 332, 422, 536, 664, 844, 1072, 1328, 1688, 3376, 5561, 11122, 14137, 17513, 22244, 28274, 35026, 44488, 56548, 70052, 88976, 113096, 140104, 226192, 280208, 1173371, 2346742, 4693484, 9386968, 18773936]

約数ペア:

[(1, 18773936), (2, 9386968), (4, 4693484), (8, 2346742), (16, 1173371), (67, 280208), (83, 226192), (134, 140104), (166, 113096), (211, 88976), (268, 70052), (332, 56548), (422, 44488), (536, 35026), (664, 28274), (844, 22244), (1072, 17513), (1328, 14137), (1688, 11122), (3376, 5561)]