18963520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3119}}^1$

素因数の和:3155

約数の個数: 56

約数和(自身を含む): 47548800

約数和(自身を除く): 28585280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 3119, 6080, 6238, 12476, 15595, 24952, 31190, 49904, 59261, 62380, 99808, 118522, 124760, 199616, 237044, 249520, 296305, 474088, 499040, 592610, 948176, 998080, 1185220, 1896352, 2370440, 3792704, 4740880, 9481760, 18963520]

約数ペア:

[(1, 18963520), (2, 9481760), (4, 4740880), (5, 3792704), (8, 2370440), (10, 1896352), (16, 1185220), (19, 998080), (20, 948176), (32, 592610), (38, 499040), (40, 474088), (64, 296305), (76, 249520), (80, 237044), (95, 199616), (152, 124760), (160, 118522), (190, 99808), (304, 62380), (320, 59261), (380, 49904), (608, 31190), (760, 24952), (1216, 15595), (1520, 12476), (3040, 6238), (3119, 6080)]