18910608

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2417}}^1$

素因数の和:2591

約数の個数: 40

約数和(自身を含む): 49172448

約数和(自身を除く): 30261840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2417, 2608, 3912, 4834, 7251, 7824, 9668, 14502, 19336, 29004, 38672, 58008, 116016, 393971, 787942, 1181913, 1575884, 2363826, 3151768, 4727652, 6303536, 9455304, 18910608]

約数ペア:

[(1, 18910608), (2, 9455304), (3, 6303536), (4, 4727652), (6, 3151768), (8, 2363826), (12, 1575884), (16, 1181913), (24, 787942), (48, 393971), (163, 116016), (326, 58008), (489, 38672), (652, 29004), (978, 19336), (1304, 14502), (1956, 9668), (2417, 7824), (2608, 7251), (3912, 4834)]