18039626

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 13409974

約数列:

[1, 2, 11, 19, 22, 38, 103, 206, 209, 418, 419, 838, 1133, 1957, 2266, 3914, 4609, 7961, 9218, 15922, 21527, 43054, 43157, 86314, 87571, 175142, 474727, 819983, 949454, 1639966, 9019813, 18039626]

約数ペア:

[(1, 18039626), (2, 9019813), (11, 1639966), (19, 949454), (22, 819983), (38, 474727), (103, 175142), (206, 87571), (209, 86314), (418, 43157), (419, 43054), (838, 21527), (1133, 15922), (1957, 9218), (2266, 7961), (3914, 4609)]