16981912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 36158400

約数和(自身を除く): 19176488

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 61, 68, 89, 92, 122, 136, 178, 184, 244, 356, 391, 488, 712, 782, 1037, 1403, 1513, 1564, 2047, 2074, 2806, 3026, 3128, 4094, 4148, 5429, 5612, 6052, 8188, 8296, 10858, 11224, 12104, 16376, 21716, 23851, 34799, 43432, 47702, 69598, 92293, 95404, 124867, 139196, 184586, 190808, 249734, 278392, 369172, 499468, 738344, 998936, 2122739, 4245478, 8490956, 16981912]

約数ペア:

[(1, 16981912), (2, 8490956), (4, 4245478), (8, 2122739), (17, 998936), (23, 738344), (34, 499468), (46, 369172), (61, 278392), (68, 249734), (89, 190808), (92, 184586), (122, 139196), (136, 124867), (178, 95404), (184, 92293), (244, 69598), (356, 47702), (391, 43432), (488, 34799), (712, 23851), (782, 21716), (1037, 16376), (1403, 12104), (1513, 11224), (1564, 10858), (2047, 8296), (2074, 8188), (2806, 6052), (3026, 5612), (3128, 5429), (4094, 4148)]