18894664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 37540800

約数和(自身を除く): 18646136

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 197, 394, 631, 788, 1262, 1576, 2524, 3743, 5048, 7486, 11989, 14972, 23978, 29944, 47956, 95912, 124307, 248614, 497228, 994456, 2361833, 4723666, 9447332, 18894664]

約数ペア:

[(1, 18894664), (2, 9447332), (4, 4723666), (8, 2361833), (19, 994456), (38, 497228), (76, 248614), (152, 124307), (197, 95912), (394, 47956), (631, 29944), (788, 23978), (1262, 14972), (1576, 11989), (2524, 7486), (3743, 5048)]