19990854

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{28477}}^1$

素因数の和:28501

約数の個数: 32

約数和(自身を含む): 47843040

約数和(自身を除く): 27852186

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 28477, 56954, 85431, 170862, 256293, 370201, 512586, 740402, 768879, 1110603, 1537758, 2221206, 3331809, 6663618, 9995427, 19990854]

約数ペア:

[(1, 19990854), (2, 9995427), (3, 6663618), (6, 3331809), (9, 2221206), (13, 1537758), (18, 1110603), (26, 768879), (27, 740402), (39, 512586), (54, 370201), (78, 256293), (117, 170862), (234, 85431), (351, 56954), (702, 28477)]