18488504

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 36612000

約数和(自身を除く): 18123496

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 178, 184, 356, 712, 1129, 2047, 2258, 4094, 4516, 8188, 9032, 16376, 25967, 51934, 100481, 103868, 200962, 207736, 401924, 803848, 2311063, 4622126, 9244252, 18488504]

約数ペア:

[(1, 18488504), (2, 9244252), (4, 4622126), (8, 2311063), (23, 803848), (46, 401924), (89, 207736), (92, 200962), (178, 103868), (184, 100481), (356, 51934), (712, 25967), (1129, 16376), (2047, 9032), (2258, 8188), (4094, 4516)]