16011972

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{4007}}^1$

素因数の和:4057

約数の個数: 48

約数和(自身を含む): 42645120

約数和(自身を除く): 26633148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 4007, 8014, 12021, 16028, 24042, 36063, 48084, 72126, 108189, 144252, 148259, 216378, 296518, 432756, 444777, 593036, 889554, 1334331, 1779108, 2668662, 4002993, 5337324, 8005986, 16011972]

約数ペア:

[(1, 16011972), (2, 8005986), (3, 5337324), (4, 4002993), (6, 2668662), (9, 1779108), (12, 1334331), (18, 889554), (27, 593036), (36, 444777), (37, 432756), (54, 296518), (74, 216378), (108, 148259), (111, 144252), (148, 108189), (222, 72126), (333, 48084), (444, 36063), (666, 24042), (999, 16028), (1332, 12021), (1998, 8014), (3996, 4007)]