18632816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1123}}^1$

素因数の和:1209

約数の個数: 40

約数和(自身を含む): 38885904

約数和(自身を除く): 20253088

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 1123, 2074, 2246, 4148, 4492, 8296, 8984, 16592, 17968, 19091, 38182, 68503, 76364, 137006, 152728, 274012, 305456, 548024, 1096048, 1164551, 2329102, 4658204, 9316408, 18632816]

約数ペア:

[(1, 18632816), (2, 9316408), (4, 4658204), (8, 2329102), (16, 1164551), (17, 1096048), (34, 548024), (61, 305456), (68, 274012), (122, 152728), (136, 137006), (244, 76364), (272, 68503), (488, 38182), (976, 19091), (1037, 17968), (1123, 16592), (2074, 8984), (2246, 8296), (4148, 4492)]