18156012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{653}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 48636672

約数和(自身を除く): 30480660

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 331, 653, 662, 993, 1306, 1324, 1959, 1986, 2317, 2612, 3918, 3972, 4571, 4634, 6951, 7836, 9142, 9268, 13713, 13902, 18284, 27426, 27804, 54852, 216143, 432286, 648429, 864572, 1296858, 1513001, 2593716, 3026002, 4539003, 6052004, 9078006, 18156012]

約数ペア:

[(1, 18156012), (2, 9078006), (3, 6052004), (4, 4539003), (6, 3026002), (7, 2593716), (12, 1513001), (14, 1296858), (21, 864572), (28, 648429), (42, 432286), (84, 216143), (331, 54852), (653, 27804), (662, 27426), (993, 18284), (1306, 13902), (1324, 13713), (1959, 9268), (1986, 9142), (2317, 7836), (2612, 6951), (3918, 4634), (3972, 4571)]