18899032

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 36630720

約数和(自身を除く): 17731688

約数列:

[1, 2, 4, 8, 41, 82, 157, 164, 314, 328, 367, 628, 734, 1256, 1468, 2936, 6437, 12874, 15047, 25748, 30094, 51496, 57619, 60188, 115238, 120376, 230476, 460952, 2362379, 4724758, 9449516, 18899032]

約数ペア:

[(1, 18899032), (2, 9449516), (4, 4724758), (8, 2362379), (41, 460952), (82, 230476), (157, 120376), (164, 115238), (314, 60188), (328, 57619), (367, 51496), (628, 30094), (734, 25748), (1256, 15047), (1468, 12874), (2936, 6437)]