19783360

素因数分解:

$2^6\times 5^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:521

約数の個数: 56

約数和(自身を含む): 47493936

約数和(自身を除く): 27710576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 211, 293, 320, 422, 586, 844, 1055, 1172, 1465, 1688, 2110, 2344, 2930, 3376, 4220, 4688, 5860, 6752, 8440, 9376, 11720, 13504, 16880, 18752, 23440, 33760, 46880, 61823, 67520, 93760, 123646, 247292, 309115, 494584, 618230, 989168, 1236460, 1978336, 2472920, 3956672, 4945840, 9891680, 19783360]

約数ペア:

[(1, 19783360), (2, 9891680), (4, 4945840), (5, 3956672), (8, 2472920), (10, 1978336), (16, 1236460), (20, 989168), (32, 618230), (40, 494584), (64, 309115), (80, 247292), (160, 123646), (211, 93760), (293, 67520), (320, 61823), (422, 46880), (586, 33760), (844, 23440), (1055, 18752), (1172, 16880), (1465, 13504), (1688, 11720), (2110, 9376), (2344, 8440), (2930, 6752), (3376, 5860), (4220, 4688)]