199219408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{9781}}^1$

素因数の和:9875

約数の個数: 40

約数和(自身を含む): 412409120

約数和(自身を除く): 213189712

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 1072, 1273, 2546, 5092, 9781, 10184, 19562, 20368, 39124, 78248, 156496, 185839, 371678, 655327, 743356, 1310654, 1486712, 2621308, 2973424, 5242616, 10485232, 12451213, 24902426, 49804852, 99609704, 199219408]

約数ペア:

[(1, 199219408), (2, 99609704), (4, 49804852), (8, 24902426), (16, 12451213), (19, 10485232), (38, 5242616), (67, 2973424), (76, 2621308), (134, 1486712), (152, 1310654), (268, 743356), (304, 655327), (536, 371678), (1072, 185839), (1273, 156496), (2546, 78248), (5092, 39124), (9781, 20368), (10184, 19562)]