18497488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:955

約数の個数: 40

約数和(自身を含む): 38301120

約数和(自身を除く): 19803632

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 857, 1136, 1349, 1714, 2698, 3428, 5396, 6856, 10792, 13712, 16283, 21584, 32566, 60847, 65132, 121694, 130264, 243388, 260528, 486776, 973552, 1156093, 2312186, 4624372, 9248744, 18497488]

約数ペア:

[(1, 18497488), (2, 9248744), (4, 4624372), (8, 2312186), (16, 1156093), (19, 973552), (38, 486776), (71, 260528), (76, 243388), (142, 130264), (152, 121694), (284, 65132), (304, 60847), (568, 32566), (857, 21584), (1136, 16283), (1349, 13712), (1714, 10792), (2698, 6856), (3428, 5396)]